#61818D
Closest named color: Grey Blue (#647D8E). oklch(58.3% 0.041 223), rgb(97, 129, 141).
Aa
Black text reads best on this color (5.03:1).
About this color
#61818D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.041 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.013 away. Black text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #61818D |
| RGB | rgb(97, 129, 141) |
| HSL | hsl(196, 18%, 47%) |
| OKLCH | oklch(58.3% 0.041 223) |
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 #61818D | 4.17:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #61818D | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #61818D text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #61818D text on black | 5.03:1 | AA | Lc -32.9 | 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 600.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B5C3C9
oklch(80.8% 0.018 225.2)
-
Step 400
400
#8EA5AE
oklch(70.7% 0.029 223.4)
-
Step 500
500
#718F9A
oklch(63.1% 0.038 222.2)
-
Step 600
600 (this color)
#61818D
oklch(58.3% 0.041 223)
-
Step 700
700
#496670
oklch(49.1% 0.038 221.2)
-
Step 800
800
#3C535C
oklch(42.7% 0.032 224)
-
Step 900
900
#34454B
oklch(37.8% 0.024 221.5)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#61818D 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) | #7A7F8E | 0.034 |
| Deuteranopia (no green cones) | #737A8D | 0.030 |
| Tritanopia (no blue cones) | #538585 | 0.026 |
| Achromatopsia (no color) | #7C7C7C | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #61818D
#61818D
oklch(58.3% 0.041 223)
- #917468
#917468
oklch(58.4% 0.041 43.6)
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 #61818D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.013
- Battleship Grey #6B7C85 ΔE 0.018
- Steel Grey #6F828A ΔE 0.019
- Slate Gray #708090 ΔE 0.021
- Steel #738595 ΔE 0.030
- Battleship Gray #6C757D ΔE 0.037
- Stormy Blue #507B9C ΔE 0.039
- Light Slate Gray #778899 ΔE 0.040
Use #61818D 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.