#5F81D7
Closest named color: Soft Blue (#6488EA). oklch(61.8% 0.136 266.2), rgb(95, 129, 215).
Aa
Black text reads best on this color (5.60:1).
About this color
#5F81D7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.136 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.033 away. Black text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #5F81D7 |
| RGB | rgb(95, 129, 215) |
| HSL | hsl(223, 60%, 61%) |
| OKLCH | oklch(61.8% 0.136 266.2) |
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 #5F81D7 | 3.74:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #5F81D7 | 5.60:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #5F81D7 text on white | 3.74:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #5F81D7 text on black | 5.60:1 | AA | Lc -36.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ADC0ED
oklch(80.9% 0.067 267)
-
Step 400
400
#829FE3
oklch(70.8% 0.105 266.1)
-
Step 500
500 (this color)
#5F81D7
oklch(61.8% 0.136 266.2)
-
Step 600
600
#4B6DC9
oklch(55.6% 0.148 266.4)
-
Step 700
700
#3C5BAE
oklch(49.2% 0.137 266.1)
-
Step 800
800
#324A8D
oklch(42.6% 0.115 266.7)
-
Step 900
900
#2B3F70
oklch(37.7% 0.088 265.7)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#5F81D7 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) | #5D8ADA | 0.024 |
| Deuteranopia (no green cones) | #4E7FD5 | 0.020 |
| Tritanopia (no blue cones) | #1094A1 | 0.123 |
| Achromatopsia (no color) | #848484 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F81D7
#5F81D7
oklch(61.8% 0.136 266.2)
- #A77F00
#A77F00
oklch(61.8% 0.127 86.3)
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 #5F81D7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.040
- Cornflower #6A79F7 ΔE 0.057
- Cool Blue #4984B8 ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.059
- Faded Blue #658CBB ΔE 0.059
- Water Blue #0E87CC ΔE 0.060
Use #5F81D7 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.