#4D858F
Closest named color: Grey Blue (#647D8E). oklch(58.2% 0.061 210.2), rgb(77, 133, 143).
Aa
Black text reads best on this color (5.06:1).
About this color
#4D858F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.061 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.033 away. Black text reads best on it, at 5.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #4D858F |
| RGB | rgb(77, 133, 143) |
| HSL | hsl(189, 30%, 43%) |
| OKLCH | oklch(58.2% 0.061 210.2) |
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 #4D858F | 4.14:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #4D858F | 5.06:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #4D858F text on white | 4.14:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #4D858F text on black | 5.06:1 | AA | Lc -33.3 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ADC6CA
oklch(80.9% 0.028 208.3)
-
Step 400
400
#81A9B0
oklch(70.8% 0.044 209.4)
-
Step 500
500
#60939C
oklch(63.1% 0.056 209.8)
-
Step 600
600 (this color)
#4D858F
oklch(58.2% 0.061 210.2)
-
Step 700
700
#366A73
oklch(49.2% 0.057 210)
-
Step 800
800
#2E565D
oklch(42.7% 0.047 210)
-
Step 900
900
#29474C
oklch(37.7% 0.037 209.2)
-
Step 950
950
#192A2D
oklch(27.1% 0.023 209.7)
#4D858F 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) | #7C8190 | 0.058 |
| Deuteranopia (no green cones) | #71798F | 0.053 |
| Tritanopia (no blue cones) | #2D8A88 | 0.032 |
| Achromatopsia (no color) | #7D7D7D | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D858F
#4D858F
oklch(58.2% 0.061 210.2)
- #9C6E65
#9C6E65
oklch(58.3% 0.061 31.4)
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 #4D858F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.033
- Steel Grey #6F828A ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.041
- Teal Blue #01889F ΔE 0.042
- Slate Gray #708090 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.043
Use #4D858F 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.