#5E9FA5
Closest named color: Cadet Blue (#5F9EA0). oklch(66.1% 0.067 203.3), rgb(94, 159, 165).
Aa
Black text reads best on this color (6.97:1).
About this color
#5E9FA5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.067 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.007 away. Black text reads best on it, at 6.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.97:1 |
| White text | 3.00:1 |
Values
| HEX | #5E9FA5 |
| RGB | rgb(94, 159, 165) |
| HSL | hsl(185, 28%, 51%) |
| OKLCH | oklch(66.1% 0.067 203.3) |
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 #5E9FA5 | 3.00:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #5E9FA5 | 6.97:1 | AA | Lc 47.4 | Large or bold text, headings |
| #5E9FA5 text on white | 3.00:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #5E9FA5 text on black | 6.97:1 | AA | Lc -45.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A9C7CA
oklch(80.8% 0.033 203.9)
-
Step 400
400
#7AABAF
oklch(70.8% 0.052 202.4)
-
Step 500
500 (this color)
#5E9FA5
oklch(66.1% 0.067 203.3)
-
Step 600
600
#368086
oklch(55.6% 0.073 202.6)
-
Step 700
700
#286C72
oklch(49.1% 0.068 203.3)
-
Step 800
800
#23585D
oklch(42.7% 0.056 203.7)
-
Step 900
900
#22484C
oklch(37.6% 0.044 204.5)
-
Step 950
950
#152A2C
oklch(26.8% 0.027 203.5)
#5E9FA5 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) | #969AA5 | 0.067 |
| Deuteranopia (no green cones) | #8A91A5 | 0.062 |
| Tritanopia (no blue cones) | #3DA4A1 | 0.031 |
| Achromatopsia (no color) | #959595 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E9FA5
#5E9FA5
oklch(66.1% 0.067 203.3)
- #B8837F
#B8837F
oklch(66.1% 0.066 23.9)
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 #5E9FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.007
- Dull Teal #5F9E8F ΔE 0.032
- Greyblue #77A1B5 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.039
- Sea #3C9992 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.054
- Blue Grey #758DA3 ΔE 0.054
Use #5E9FA5 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.