#507EDD
Closest named color: Soft Blue (#6488EA). oklch(60.7% 0.153 263.1), rgb(80, 126, 221).
Aa
Black text reads best on this color (5.36:1).
About this color
#507EDD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.153 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.040 away. Black text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #507EDD |
| RGB | rgb(80, 126, 221) |
| HSL | hsl(220, 67%, 59%) |
| OKLCH | oklch(60.7% 0.153 263.1) |
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 #507EDD | 3.91:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #507EDD | 5.36:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #507EDD text on white | 3.91:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #507EDD text on black | 5.36:1 | AA | Lc -35.4 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A7C1F2
oklch(80.9% 0.075 262.9)
-
Step 400
400
#799FEB
oklch(70.6% 0.12 263.4)
-
Step 500
500 (this color)
#507EDD
oklch(60.7% 0.153 263.1)
-
Step 600
600
#3D6DD3
oklch(55.6% 0.166 263.1)
-
Step 700
700
#2F5AB7
oklch(49% 0.155 263.2)
-
Step 800
800
#284A94
oklch(42.6% 0.128 263.4)
-
Step 900
900
#243F76
oklch(37.7% 0.1 262.9)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#507EDD 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) | #5288E1 | 0.027 |
| Deuteranopia (no green cones) | #3B7BDB | 0.022 |
| Tritanopia (no blue cones) | #0094A3 | 0.128 |
| Achromatopsia (no color) | #818181 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507EDD
#507EDD
oklch(60.7% 0.153 263.1)
- #A67A00
#A67A00
oklch(60.7% 0.125 83.2)
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 #507EDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower #6A79F7 ΔE 0.052
- Water Blue #0E87CC ΔE 0.054
- Windows Blue #3778BF ΔE 0.055
- Clear Blue #247AFD ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.062
Use #507EDD 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.