#5D9FA3
Closest named color: Cadet Blue (#5F9EA0). oklch(66% 0.068 200.7), rgb(93, 159, 163).
Aa
Black text reads best on this color (6.95:1).
About this color
#5D9FA3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.068 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.005 away. Black text reads best on it, at 6.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.95:1 |
| White text | 3.02:1 |
Values
| HEX | #5D9FA3 |
| RGB | rgb(93, 159, 163) |
| HSL | hsl(183, 28%, 50%) |
| OKLCH | oklch(66% 0.068 200.7) |
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 #5D9FA3 | 3.02:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #5D9FA3 | 6.95:1 | AA | Lc 47.2 | Large or bold text, headings |
| #5D9FA3 text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #5D9FA3 text on black | 6.95:1 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A9C7C9
oklch(80.8% 0.032 201.5)
-
Step 400
400
#79ABAE
oklch(70.7% 0.053 200.7)
-
Step 500
500 (this color)
#5D9FA3
oklch(66% 0.068 200.7)
-
Step 600
600
#358085
oklch(55.5% 0.074 201.3)
-
Step 700
700
#276C70
oklch(49% 0.068 200.6)
-
Step 800
800
#22585C
oklch(42.6% 0.057 202)
-
Step 900
900
#22494B
oklch(37.8% 0.044 199.9)
-
Step 950
950
#152B2C
oklch(27.1% 0.028 199.4)
#5D9FA3 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) | #969AA3 | 0.068 |
| Deuteranopia (no green cones) | #8A91A3 | 0.063 |
| Tritanopia (no blue cones) | #3CA3A0 | 0.029 |
| Achromatopsia (no color) | #949494 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D9FA3
#5D9FA3
oklch(66% 0.068 200.7)
- #B88281
#B88281
oklch(66% 0.067 20.2)
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 #5D9FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.005
- Dull Teal #5F9E8F ΔE 0.029
- Grey Teal #5E9B8A ΔE 0.036
- Greyblue #77A1B5 ΔE 0.041
- Sea #3C9992 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.054
- Blue Grey #758DA3 ΔE 0.056
Use #5D9FA3 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.