#638880
Closest named color: Dusty Teal (#4C9085). oklch(59.7% 0.043 179.9), rgb(99, 136, 128).
Aa
Black text reads best on this color (5.36:1).
About this color
#638880 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.043 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.030 away. Black text reads best on it, at 5.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #638880 |
| RGB | rgb(99, 136, 128) |
| HSL | hsl(167, 16%, 46%) |
| OKLCH | oklch(59.7% 0.043 179.9) |
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 #638880 | 3.91:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #638880 | 5.36:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #638880 text on white | 3.91:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #638880 text on black | 5.36:1 | AA | Lc -35.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCD9
oklch(88.5% 0.013 178)
-
Step 300
300
#B3C5C1
oklch(80.9% 0.02 181)
-
Step 400
400
#8BA8A1
oklch(70.8% 0.034 179)
-
Step 500
500 (this color)
#638880
oklch(59.7% 0.043 179.9)
-
Step 600
600
#547D74
oklch(55.7% 0.048 179.2)
-
Step 700
700
#456961
oklch(49.1% 0.043 178.9)
-
Step 800
800
#395650
oklch(42.8% 0.036 180.1)
-
Step 900
900
#314742
oklch(37.8% 0.029 179)
-
Step 950
950
#1D2927
oklch(26.9% 0.017 183.7)
#638880 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) | #858480 | 0.046 |
| Deuteranopia (no green cones) | #7E7F81 | 0.043 |
| Tritanopia (no blue cones) | #598985 | 0.012 |
| Achromatopsia (no color) | #818181 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638880
#638880
oklch(59.7% 0.043 179.9)
- #96757E
#96757E
oklch(59.7% 0.043 0.4)
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 #638880, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.030
- Steel Grey #6F828A ΔE 0.031
- Slate Green #658D6D ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.040
- Medium Grey #7D7F7C ΔE 0.040
- Slate Gray #708090 ΔE 0.043
- Steel #738595 ΔE 0.043
- Gray #808080 ΔE 0.043
Use #638880 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.