#51908A
Closest named color: Dusty Teal (#4C9085). oklch(60.9% 0.066 187.7), rgb(81, 144, 138).
Aa
Black text reads best on this color (5.70:1).
About this color
#51908A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.066 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.010 away. Black text reads best on it, at 5.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #51908A |
| RGB | rgb(81, 144, 138) |
| HSL | hsl(174, 28%, 44%) |
| OKLCH | oklch(60.9% 0.066 187.7) |
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 #51908A | 3.68:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #51908A | 5.70:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #51908A text on white | 3.68:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #51908A text on black | 5.70:1 | AA | Lc -37.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#AAC8C4
oklch(80.9% 0.033 186.7)
-
Step 400
400
#7CABA6
oklch(70.6% 0.051 187.9)
-
Step 500
500 (this color)
#51908A
oklch(60.9% 0.066 187.7)
-
Step 600
600
#3A817B
oklch(55.6% 0.072 187.9)
-
Step 700
700
#2C6D67
oklch(49.1% 0.067 187)
-
Step 800
800
#265954
oklch(42.8% 0.055 186.8)
-
Step 900
900
#244946
oklch(37.7% 0.043 188.7)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#51908A 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) | #8A8A8A | 0.070 |
| Deuteranopia (no green cones) | #7F828B | 0.066 |
| Tritanopia (no blue cones) | #36938E | 0.021 |
| Achromatopsia (no color) | #858585 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51908A
#51908A
oklch(60.9% 0.066 187.7)
- #A6737C
#A6737C
oklch(61% 0.065 7.5)
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 #51908A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.010
- Sea #3C9992 ΔE 0.027
- Grey Teal #5E9B8A ΔE 0.037
- Teal Green #0A9396 ΔE 0.038
- Persian Green #2A9D8F ΔE 0.042
- Slate Green #658D6D ΔE 0.043
- Blue Green #0F9B8E ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.045
Use #51908A 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.