#5E99C8
Closest named color: Faded Blue (#658CBB). oklch(66.2% 0.094 243.9), rgb(94, 153, 200).
Aa
Black text reads best on this color (6.86:1).
About this color
#5E99C8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.094 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.86:1 |
| White text | 3.05:1 |
Values
| HEX | #5E99C8 |
| RGB | rgb(94, 153, 200) |
| HSL | hsl(207, 49%, 58%) |
| OKLCH | oklch(66.2% 0.094 243.9) |
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 #5E99C8 | 3.05:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #5E99C8 | 6.86:1 | AA | Lc 46.8 | Large or bold text, headings |
| #5E99C8 text on white | 3.05:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #5E99C8 text on black | 6.86:1 | AA | Lc -44.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#A8C5DD
oklch(81% 0.046 243.3)
-
Step 400
400
#79A6CB
oklch(70.7% 0.073 243.9)
-
Step 500
500 (this color)
#5E99C8
oklch(66.2% 0.094 243.9)
-
Step 600
600
#3879AA
oklch(55.6% 0.101 243.9)
-
Step 700
700
#296692
oklch(49.2% 0.094 243.4)
-
Step 800
800
#245377
oklch(42.7% 0.079 244.4)
-
Step 900
900
#234560
oklch(37.8% 0.061 244.4)
-
Step 950
950
#152838
oklch(26.9% 0.039 245.4)
#5E99C8 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) | #8599CA | 0.045 |
| Deuteranopia (no green cones) | #778FC7 | 0.036 |
| Tritanopia (no blue cones) | #1EA4A9 | 0.077 |
| Achromatopsia (no color) | #939393 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E99C8
#5E99C8
oklch(66.2% 0.094 243.9)
- #BB8653
#BB8653
oklch(66.1% 0.094 63.9)
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 #5E99C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Greyblue #77A1B5 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.053
- Blue Grey #758DA3 ΔE 0.058
- Dusty Blue #5A86AD ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.064
Use #5E99C8 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.