#53878E
Closest named color: Grey Blue (#647D8E). oklch(59% 0.057 206.6), rgb(83, 135, 142).
Aa
Black text reads best on this color (5.22:1).
About this color
#53878E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.057 and its hue 207°. 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 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #53878E |
| RGB | rgb(83, 135, 142) |
| HSL | hsl(187, 26%, 44%) |
| OKLCH | oklch(59% 0.057 206.6) |
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 #53878E | 4.01:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #53878E | 5.22:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #53878E text on white | 4.01:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #53878E text on black | 5.22:1 | AA | Lc -34.3 | 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AFC6C9
oklch(81% 0.025 206.2)
-
Step 400
400
#83A8AD
oklch(70.6% 0.041 206.5)
-
Step 500
500
#639399
oklch(63.1% 0.052 205.8)
-
Step 600
600 (this color)
#53878E
oklch(59% 0.057 206.6)
-
Step 700
700
#3A6970
oklch(49% 0.052 207.9)
-
Step 800
800
#31565B
oklch(42.8% 0.043 206.7)
-
Step 900
900
#2B474B
oklch(37.7% 0.034 207.2)
-
Step 950
950
#1A2A2C
oklch(27.2% 0.022 205.8)
#53878E 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) | #7F838E | 0.055 |
| Deuteranopia (no green cones) | #757C8E | 0.050 |
| Tritanopia (no blue cones) | #3A8B89 | 0.027 |
| Achromatopsia (no color) | #7F7F7F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53878E
#53878E
oklch(59% 0.057 206.6)
- #9C706B
#9C706B
oklch(58.8% 0.057 26.2)
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 #53878E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.034
- Steel Grey #6F828A ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.038
- Slate Gray #708090 ΔE 0.039
- Steel #738595 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.047
- Teal Green #0A9396 ΔE 0.048
Use #53878E 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.