#5D99BA
Closest named color: Faded Blue (#658CBB). oklch(65.5% 0.08 233.9), rgb(93, 153, 186).
Aa
Black text reads best on this color (6.73:1).
About this color
#5D99BA is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.080 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #5D99BA |
| RGB | rgb(93, 153, 186) |
| HSL | hsl(201, 40%, 55%) |
| OKLCH | oklch(65.5% 0.08 233.9) |
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 #5D99BA | 3.11:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #5D99BA | 6.73:1 | AA | Lc 46.0 | Large or bold text, headings |
| #5D99BA text on white | 3.11:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #5D99BA text on black | 6.73:1 | AA | Lc -43.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7AA8C2
oklch(70.8% 0.062 233.6)
-
Step 500
500 (this color)
#5D99BA
oklch(65.5% 0.08 233.9)
-
Step 600
600
#387B9E
oklch(55.5% 0.087 234.2)
-
Step 700
700
#2A6887
oklch(49.1% 0.08 233.6)
-
Step 800
800
#24556E
oklch(42.7% 0.067 233.6)
-
Step 900
900
#234659
oklch(37.7% 0.052 234.2)
-
Step 950
950
#152934
oklch(26.9% 0.033 233.9)
#5D99BA 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) | #8997BC | 0.052 |
| Deuteranopia (no green cones) | #7C8DBA | 0.046 |
| Tritanopia (no blue cones) | #2CA2A4 | 0.061 |
| Achromatopsia (no color) | #929292 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D99BA
#5D99BA
oklch(65.5% 0.08 233.9)
- #B78362
#B78362
oklch(65.4% 0.079 53.3)
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 #5D99BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Greyblue #77A1B5 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.054
- Cool Gray #8D99AE ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
Use #5D99BA 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.