#507EF3
Closest named color: Cornflower (#6A79F7). oklch(62.1% 0.183 265.3), rgb(80, 126, 243).
Aa
Black text reads best on this color (5.61:1).
About this color
#507EF3 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.183 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #507EF3 |
| RGB | rgb(80, 126, 243) |
| HSL | hsl(223, 87%, 63%) |
| OKLCH | oklch(62.1% 0.183 265.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #507EF3 | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #507EF3 | 5.61:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #507EF3 text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #507EF3 text on black | 5.61:1 | AA | Lc -37.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A5C0FB
oklch(80.9% 0.089 265.4)
-
Step 400
400
#759DF9
oklch(70.7% 0.142 265.2)
-
Step 500
500 (this color)
#507EF3
oklch(62.1% 0.183 265.3)
-
Step 600
600
#3967E5
oklch(55.6% 0.198 265.2)
-
Step 700
700
#2C55C7
oklch(49.1% 0.184 265.1)
-
Step 800
800
#2546A1
oklch(42.7% 0.153 265.3)
-
Step 900
900
#223C80
oklch(37.7% 0.119 265.3)
-
Step 950
950
#14244B
oklch(27.1% 0.075 265)
#507EF3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3E8CF7 | 0.036 |
| Deuteranopia (no green cones) | #0F7DF1 | 0.041 |
| Tritanopia (no blue cones) | #0099AD | 0.148 |
| Achromatopsia (no color) | #848484 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507EF3
#507EF3
oklch(62.1% 0.183 265.3)
- #A97F00
#A97F00
oklch(62.1% 0.127 85.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #507EF3, closest first.
No curated palette has a color within ΔE 0.04 of #507EF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Clear Blue #247AFD ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.061
- Royal Blue #4169E1 ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.067
Use #507EF3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.