#51968B
Closest named color: Sea (#3C9992). oklch(62.4% 0.072 182.4), rgb(81, 150, 139).
Aa
Black text reads best on this color (6.08:1).
About this color
#51968B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.072 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.017 away. Black text reads best on it, at 6.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.08:1 |
| White text | 3.45:1 |
Values
| HEX | #51968B |
| RGB | rgb(81, 150, 139) |
| HSL | hsl(170, 30%, 45%) |
| OKLCH | oklch(62.4% 0.072 182.4) |
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 #51968B | 3.45:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #51968B | 6.08:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #51968B text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #51968B text on black | 6.08:1 | AA | Lc -39.8 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#79ADA3
oklch(70.8% 0.057 181.3)
-
Step 500
500 (this color)
#51968B
oklch(62.4% 0.072 182.4)
-
Step 600
600
#348277
oklch(55.5% 0.078 182.7)
-
Step 700
700
#256E64
oklch(49% 0.073 182.5)
-
Step 800
800
#215A52
oklch(42.8% 0.061 182.7)
-
Step 900
900
#214A44
oklch(37.8% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#51968B 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) | #908F8B | 0.077 |
| Deuteranopia (no green cones) | #85878C | 0.072 |
| Tritanopia (no blue cones) | #349893 | 0.022 |
| Achromatopsia (no color) | #8A8A8A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51968B
#51968B
oklch(62.4% 0.072 182.4)
- #AD7584
#AD7584
oklch(62.4% 0.073 1.9)
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 #51968B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.017
- Dusty Teal #4C9085 ΔE 0.019
- Grey Teal #5E9B8A ΔE 0.021
- Dull Teal #5F9E8F ΔE 0.029
- Persian Green #2A9D8F ΔE 0.030
- Blue Green #0F9B8E ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.039
- Teal Green #0A9396 ΔE 0.042
Use #51968B 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.