#5F8BDA
Closest named color: Dark Sky Blue (#448EE4). oklch(64% 0.129 261.4), rgb(95, 139, 218).
Aa
Black text reads best on this color (6.19:1).
About this color
#5F8BDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.129 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.027 away. Black text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.19:1 |
| White text | 3.39:1 |
Values
| HEX | #5F8BDA |
| RGB | rgb(95, 139, 218) |
| HSL | hsl(219, 62%, 61%) |
| OKLCH | oklch(64% 0.129 261.4) |
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 #5F8BDA | 3.39:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #5F8BDA | 6.19:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #5F8BDA text on white | 3.39:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #5F8BDA text on black | 6.19:1 | AA | Lc -40.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300
#AAC2EA
oklch(81% 0.063 260.6)
-
Step 400
400
#7DA1E0
oklch(70.7% 0.101 261.2)
-
Step 500
500 (this color)
#5F8BDA
oklch(64% 0.129 261.4)
-
Step 600
600
#4270C4
oklch(55.5% 0.14 261.4)
-
Step 700
700
#345EAA
oklch(49.2% 0.131 261.2)
-
Step 800
800
#2C4D89
oklch(42.7% 0.107 261.3)
-
Step 900
900
#27406E
oklch(37.6% 0.085 261.6)
-
Step 950
950
#172640
oklch(27% 0.053 260.8)
#5F8BDA 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) | #6A92DD | 0.024 |
| Deuteranopia (no green cones) | #5B86D8 | 0.015 |
| Tritanopia (no blue cones) | #009DA8 | 0.116 |
| Achromatopsia (no color) | #8B8B8B | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F8BDA
#5F8BDA
oklch(64% 0.129 261.4)
- #B3830F
#B3830F
oklch(64% 0.129 81.8)
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 #5F8BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.027
- Soft Blue #6488EA ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.039
- Faded Blue #658CBB ΔE 0.048
- Cool Blue #4984B8 ΔE 0.060
- Water Blue #0E87CC ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.065
Use #5F8BDA 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.