#5F9EA8
Closest named color: Cadet Blue (#5F9EA0). oklch(66.1% 0.066 208.6), rgb(95, 158, 168).
Aa
Black text reads best on this color (6.94:1).
About this color
#5F9EA8 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.066 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.012 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #5F9EA8 |
| RGB | rgb(95, 158, 168) |
| HSL | hsl(188, 30%, 52%) |
| OKLCH | oklch(66.1% 0.066 208.6) |
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 #5F9EA8 | 3.02:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #5F9EA8 | 6.94:1 | AA | Lc 47.2 | Large or bold text, headings |
| #5F9EA8 text on white | 3.02:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #5F9EA8 text on black | 6.94:1 | AA | Lc -44.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CC
oklch(80.9% 0.033 208.8)
-
Step 400
400
#7AAAB2
oklch(70.7% 0.052 208.9)
-
Step 500
500 (this color)
#5F9EA8
oklch(66.1% 0.066 208.6)
-
Step 600
600
#387F8A
oklch(55.6% 0.072 209)
-
Step 700
700
#2A6B75
oklch(49.1% 0.067 209.1)
-
Step 800
800
#24575F
oklch(42.6% 0.056 209.1)
-
Step 900
900
#23484E
oklch(37.7% 0.043 209.1)
-
Step 950
950
#152A2E
oklch(26.9% 0.028 211.1)
#5F9EA8 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) | #9499A9 | 0.064 |
| Deuteranopia (no green cones) | #8890A8 | 0.059 |
| Tritanopia (no blue cones) | #3EA3A1 | 0.033 |
| Achromatopsia (no color) | #949494 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F9EA8
#5F9EA8
oklch(66.1% 0.066 208.6)
- #B8837B
#B8837B
oklch(66% 0.067 28.6)
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 #5F9EA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.012
- Greyblue #77A1B5 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.044
- Sea #3C9992 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.050
- Blue Grey #758DA3 ΔE 0.050
- Bluey Grey #89A0B0 ΔE 0.052
Use #5F9EA8 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.