#4C8091
Closest named color: Stormy Blue (#507B9C). oklch(57% 0.061 221), rgb(76, 128, 145).
Aa
Black text reads best on this color (4.80:1).
About this color
#4C8091 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.061 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.027 away. Black text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #4C8091 |
| RGB | rgb(76, 128, 145) |
| HSL | hsl(195, 31%, 43%) |
| OKLCH | oklch(57% 0.061 221) |
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 #4C8091 | 4.37:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #4C8091 | 4.80:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #4C8091 text on white | 4.37:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #4C8091 text on black | 4.80:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CD
oklch(80.9% 0.027 220.7)
-
Step 400
400
#83A7B4
oklch(70.6% 0.044 221.9)
-
Step 500
500
#6292A2
oklch(63.2% 0.057 220.8)
-
Step 600
600 (this color)
#4C8091
oklch(57% 0.061 221)
-
Step 700
700
#396878
oklch(49% 0.057 222.2)
-
Step 800
800
#305561
oklch(42.7% 0.047 220.8)
-
Step 900
900
#2B464F
oklch(37.6% 0.036 221)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#4C8091 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) | #767D92 | 0.052 |
| Deuteranopia (no green cones) | #6B7591 | 0.047 |
| Tritanopia (no blue cones) | #2A8685 | 0.040 |
| Achromatopsia (no color) | #797979 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8091
#4C8091
oklch(57% 0.061 221)
- #976B5B
#976B5B
oklch(56.9% 0.062 40.8)
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 #4C8091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.027
- Grey Blue #647D8E ΔE 0.027
- Cerulean #457B9D ΔE 0.028
- Metallic Blue #4F738E ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.038
- Teal Blue #01889F ΔE 0.042
- Dull Blue #49759C ΔE 0.042
- Slate Gray #708090 ΔE 0.043
Use #4C8091 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.