#4E8387
Closest named color: Grey Blue (#647D8E). oklch(57.5% 0.057 201.9), rgb(78, 131, 135).
Aa
Black text reads best on this color (4.92:1).
About this color
#4E8387 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.057 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.034 away. Black text reads best on it, at 4.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #4E8387 |
| RGB | rgb(78, 131, 135) |
| HSL | hsl(184, 27%, 42%) |
| OKLCH | oklch(57.5% 0.057 201.9) |
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 #4E8387 | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #4E8387 | 4.92:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #4E8387 text on white | 4.26:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #4E8387 text on black | 4.92:1 | AA | Lc -32.3 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C8
oklch(80.9% 0.026 202.8)
-
Step 400
400
#83A9AB
oklch(70.8% 0.041 200.3)
-
Step 500
500
#639397
oklch(63.1% 0.052 202.5)
-
Step 600
600 (this color)
#4E8387
oklch(57.5% 0.057 201.9)
-
Step 700
700
#396A6D
oklch(49.1% 0.053 200.7)
-
Step 800
800
#305659
oklch(42.6% 0.044 202.2)
-
Step 900
900
#2B4749
oklch(37.7% 0.034 201.6)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#4E8387 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) | #7C7F87 | 0.058 |
| Deuteranopia (no green cones) | #727787 | 0.054 |
| Tritanopia (no blue cones) | #348784 | 0.026 |
| Achromatopsia (no color) | #7A7A7A | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E8387
#4E8387
oklch(57.5% 0.057 201.9)
- #986C6A
#986C6A
oklch(57.6% 0.057 21.9)
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 #4E8387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.034
- Battleship Grey #6B7C85 ΔE 0.037
- Steel Grey #6F828A ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.043
- Slate Gray #708090 ΔE 0.046
- Stormy Blue #507B9C ΔE 0.047
- Teal Blue #01889F ΔE 0.048
Use #4E8387 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.