#54878F
Closest named color: Grey Blue (#647D8E). oklch(59.1% 0.056 208.4), rgb(84, 135, 143).
Aa
Black text reads best on this color (5.23:1).
About this color
#54878F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.056 and its hue 208°. 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 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.23:1 |
| White text | 4.00:1 |
Values
| HEX | #54878F |
| RGB | rgb(84, 135, 143) |
| HSL | hsl(188, 26%, 45%) |
| OKLCH | oklch(59.1% 0.056 208.4) |
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 #54878F | 4.00:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #54878F | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #54878F text on white | 4.00:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #54878F text on black | 5.23:1 | AA | Lc -34.4 | 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AFC5C9
oklch(80.8% 0.025 209.8)
-
Step 400
400
#84A8AE
oklch(70.7% 0.04 208.8)
-
Step 500
500
#64939A
oklch(63.2% 0.052 207.6)
-
Step 600
600 (this color)
#54878F
oklch(59.1% 0.056 208.4)
-
Step 700
700
#3B6970
oklch(49.1% 0.052 208.1)
-
Step 800
800
#31565B
oklch(42.8% 0.043 206.7)
-
Step 900
900
#2C474B
oklch(37.8% 0.033 207.6)
-
Step 950
950
#1A292C
oklch(26.9% 0.021 211.4)
#54878F 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) | #7F8390 | 0.054 |
| Deuteranopia (no green cones) | #757C8F | 0.049 |
| Tritanopia (no blue cones) | #3B8B89 | 0.028 |
| Achromatopsia (no color) | #7F7F7F | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54878F
#54878F
oklch(59.1% 0.056 208.4)
- #9C716B
#9C716B
oklch(59% 0.056 27.8)
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 #54878F, 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 0.033
- Dusty Teal #4C9085 ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.038
- Slate Gray #708090 ΔE 0.038
- Steel #738595 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.047
- Light Slate Gray #778899 ΔE 0.047
Use #54878F 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.