#5E99D2
Closest named color: Faded Blue (#658CBB). oklch(66.6% 0.105 248.9), rgb(94, 153, 210).
Aa
Black text reads best on this color (6.96:1).
About this color
#5E99D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.105 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.043 away. Black text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #5E99D2 |
| RGB | rgb(94, 153, 210) |
| HSL | hsl(209, 56%, 60%) |
| OKLCH | oklch(66.6% 0.105 248.9) |
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 #5E99D2 | 3.01:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #5E99D2 | 6.96:1 | AA | Lc 47.3 | Large or bold text, headings |
| #5E99D2 text on white | 3.01:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #5E99D2 text on black | 6.96:1 | AA | Lc -45.0 | Large or bold text, headings |
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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400
#78A5D2
oklch(70.7% 0.082 249.1)
-
Step 500
500 (this color)
#5E99D2
oklch(66.6% 0.105 248.9)
-
Step 600
600
#3677B3
oklch(55.5% 0.115 249.1)
-
Step 700
700
#28649A
oklch(49.1% 0.106 248.9)
-
Step 800
800
#23527D
oklch(42.8% 0.088 248.9)
-
Step 900
900
#224464
oklch(37.7% 0.068 248.8)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#5E99D2 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) | #819BD5 | 0.041 |
| Deuteranopia (no green cones) | #728FD1 | 0.032 |
| Tritanopia (no blue cones) | #03A6AD | 0.090 |
| Achromatopsia (no color) | #949494 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E99D2
#5E99D2
oklch(66.6% 0.105 248.9)
- #BE8847
#BE8847
oklch(66.7% 0.105 69.3)
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 #5E99D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.043
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.064
- Soft Blue #6488EA ΔE 0.065
- Dusty Blue #5A86AD ΔE 0.069
Use #5E99D2 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.