#4D91A2
Closest named color: Sea (#3C9992). oklch(61.9% 0.073 216), rgb(77, 145, 162).
Aa
Black text reads best on this color (5.88:1).
About this color
#4D91A2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.073 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.042 away. Black text reads best on it, at 5.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #4D91A2 |
| RGB | rgb(77, 145, 162) |
| HSL | hsl(192, 36%, 47%) |
| OKLCH | oklch(61.9% 0.073 216) |
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 #4D91A2 | 3.56:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #4D91A2 | 5.88:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #4D91A2 text on white | 3.56:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #4D91A2 text on black | 5.88:1 | AA | Lc -38.6 | 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
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#77AAB8
oklch(70.7% 0.058 216.7)
-
Step 500
500 (this color)
#4D91A2
oklch(61.9% 0.073 216)
-
Step 600
600
#317F91
oklch(55.6% 0.08 215.7)
-
Step 700
700
#236B7C
oklch(49.1% 0.074 216.7)
-
Step 800
800
#1F5764
oklch(42.6% 0.061 215.9)
-
Step 900
900
#204852
oklch(37.7% 0.048 216.3)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#4D91A2 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) | #858DA3 | 0.065 |
| Deuteranopia (no green cones) | #7883A2 | 0.060 |
| Tritanopia (no blue cones) | #149796 | 0.044 |
| Achromatopsia (no color) | #888888 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D91A2
#4D91A2
oklch(61.9% 0.073 216)
- #AD7667
#AD7667
oklch(61.9% 0.073 35.9)
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 #4D91A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.042
- Teal Green #0A9396 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.045
- Off Blue #5684AE ΔE 0.047
- Light Slate Gray #778899 ΔE 0.049
Use #4D91A2 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.