#507FF3
Closest named color: Cornflower (#6A79F7). oklch(62.3% 0.181 265), rgb(80, 127, 243).
Aa
Black text reads best on this color (5.67:1).
About this color
#507FF3 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.181 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.032 away. Black text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #507FF3 |
| RGB | rgb(80, 127, 243) |
| HSL | hsl(223, 87%, 63%) |
| OKLCH | oklch(62.3% 0.181 265) |
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 #507FF3 | 3.70:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #507FF3 | 5.67:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #507FF3 text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #507FF3 text on black | 5.67:1 | AA | Lc -37.4 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
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)
#507FF3
oklch(62.3% 0.181 265)
-
Step 600
600
#3867E5
oklch(55.5% 0.198 265)
-
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
#223C7F
oklch(37.6% 0.118 265.2)
-
Step 950
950
#14244B
oklch(27.1% 0.075 265)
#507FF3 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) | #408DF7 | 0.035 |
| Deuteranopia (no green cones) | #167EF1 | 0.038 |
| Tritanopia (no blue cones) | #009AAD | 0.149 |
| Achromatopsia (no color) | #858585 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507FF3
#507FF3
oklch(62.3% 0.181 265)
- #AA8000
#AA8000
oklch(62.4% 0.128 85.4)
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 #507FF3, closest first.
No curated palette has a color within ΔE 0.04 of #507FF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.032
- Soft Blue #6488EA ΔE 0.037
- Clear Blue #247AFD ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.058
- Royal Blue #4169E1 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.066
Use #507FF3 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.