#10535E
Closest named color: Deep Teal (#00555A). oklch(40.8% 0.065 211.5), rgb(16, 83, 94).
Aa
White text reads best on this color (8.67:1).
About this color
#10535E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.065 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.012 away. White text reads best on it, at 8.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #10535E |
| RGB | rgb(16, 83, 94) |
| HSL | hsl(188, 71%, 22%) |
| OKLCH | oklch(40.8% 0.065 211.5) |
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 #10535E | 8.67:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #10535E | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #10535E text on white | 8.67:1 | AAA | Lc 89.4 | Fine for body text |
| #10535E text on black | 2.42:1 | Fails | Lc -12.8 | Not readable |
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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#73ABB6
oklch(70.6% 0.061 211.2)
-
Step 500
500
#4A96A4
oklch(63% 0.078 211.1)
-
Step 600
600
#278090
oklch(55.5% 0.085 212.2)
-
Step 700
700
#176C7A
oklch(49% 0.079 211.6)
-
Step 800
800 (this color)
#10535E
oklch(40.8% 0.065 211.5)
-
Step 900
900
#1C4951
oklch(37.8% 0.051 211)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#10535E 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) | #4A505F | 0.060 |
| Deuteranopia (no green cones) | #40485E | 0.055 |
| Tritanopia (no blue cones) | #005856 | 0.025 |
| Achromatopsia (no color) | #4B4B4B | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10535E
#10535E
oklch(40.8% 0.065 211.5)
- #693C34
#693C34
oklch(40.9% 0.065 30.9)
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 #10535E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.012
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Teal #014D4E ΔE 0.032
- Dark Blue Green #005249 ΔE 0.037
- Petrol #005F6A ΔE 0.038
- Charcoal #264653 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.060
Use #10535E 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.