#10282F
Closest named color: Dark (#1B2431). oklch(26.1% 0.033 219.2), rgb(16, 40, 47).
Aa
White text reads best on this color (15.36:1).
About this color
#10282F is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.033 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.021 away. White text reads best on it, at 15.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.36:1 |
| White text | 15.36:1 |
Values
| HEX | #10282F |
| RGB | rgb(16, 40, 47) |
| HSL | hsl(194, 49%, 12%) |
| OKLCH | oklch(26.1% 0.033 219.2) |
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 #10282F | 15.36:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #10282F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #10282F text on white | 15.36:1 | AAA | Lc 102.2 | Preferred for body text |
| #10282F text on black | 1.36:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A6C7D2
oklch(80.9% 0.039 220)
-
Step 400
400
#74AABB
oklch(70.6% 0.062 219.6)
-
Step 500
500
#4C95AA
oklch(63.1% 0.079 219)
-
Step 600
600
#2A7F95
oklch(55.6% 0.086 218.6)
-
Step 700
700
#1B6B7F
oklch(49.1% 0.08 218.8)
-
Step 800
800
#1A5768
oklch(42.6% 0.066 220.3)
-
Step 900
900
#1D4854
oklch(37.7% 0.051 218.9)
-
Step 950
950 (this color)
#10282F
oklch(26.1% 0.033 219.2)
#10282F 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) | #24272F | 0.028 |
| Deuteranopia (no green cones) | #1F232F | 0.026 |
| Tritanopia (no blue cones) | #002A2A | 0.020 |
| Achromatopsia (no color) | #252525 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10282F
#10282F
oklch(26.1% 0.033 219.2)
- #321F18
#321F18
oklch(26.1% 0.033 41)
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 #10282F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.021
- Jet #212529 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.030
- Rich Black #0D1B2A ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.057
- Gunmetal #293241 ΔE 0.059
- Midnight Green #073B4C ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.080
Use #10282F 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.