#57888F
Closest named color: Steel Grey (#6F828A). oklch(59.5% 0.054 207.2), rgb(87, 136, 143).
Aa
Black text reads best on this color (5.32:1).
About this color
#57888F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.054 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.031 away. Black text reads best on it, at 5.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #57888F |
| RGB | rgb(87, 136, 143) |
| HSL | hsl(188, 24%, 45%) |
| OKLCH | oklch(59.5% 0.054 207.2) |
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 #57888F | 3.94:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #57888F | 5.32:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #57888F text on white | 3.94:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #57888F text on black | 5.32:1 | AA | Lc -34.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6C9
oklch(80.9% 0.026 205.8)
-
Step 400
400
#82A8AE
oklch(70.6% 0.042 208.2)
-
Step 500
500 (this color)
#57888F
oklch(59.5% 0.054 207.2)
-
Step 600
600
#477D85
oklch(55.5% 0.059 207.8)
-
Step 700
700
#386A70
oklch(49.2% 0.055 205.6)
-
Step 800
800
#2F565C
oklch(42.7% 0.045 208.3)
-
Step 900
900
#2A474B
oklch(37.7% 0.035 206.9)
-
Step 950
950
#192A2C
oklch(27.1% 0.023 205.2)
#57888F 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) | #80848F | 0.052 |
| Deuteranopia (no green cones) | #777D8F | 0.049 |
| Tritanopia (no blue cones) | #408C8A | 0.027 |
| Achromatopsia (no color) | #808080 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57888F
#57888F
oklch(59.5% 0.054 207.2)
- #9C736D
#9C736D
oklch(59.5% 0.053 28.2)
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 #57888F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.031
- Grey Blue #647D8E ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.034
- Slate Gray #708090 ΔE 0.037
- Steel #738595 ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.044
- Teal Green #0A9396 ΔE 0.049
Use #57888F 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.