#05242D
Closest named color: Dark (#1B2431). oklch(24.3% 0.039 221), rgb(5, 36, 45).
Aa
White text reads best on this color (16.19:1).
About this color
#05242D is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.039 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.028 away. White text reads best on it, at 16.19:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.19:1 |
Values
| HEX | #05242D |
| RGB | rgb(5, 36, 45) |
| HSL | hsl(194, 80%, 10%) |
| OKLCH | oklch(24.3% 0.039 221) |
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 #05242D | 16.19:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #05242D | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #05242D text on white | 16.19:1 | AAA | Lc 103.0 | Preferred for body text |
| #05242D text on black | 1.29:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C7DDE5
oklch(88.4% 0.026 221.6)
-
Step 300
300
#A0C8D6
oklch(80.9% 0.047 221.2)
-
Step 400
400
#69ACC1
oklch(70.8% 0.075 220)
-
Step 500
500
#3996B2
oklch(63% 0.095 221.4)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#104959
oklch(37.8% 0.062 221.2)
-
Step 950
950 (this color)
#05242D
oklch(24.3% 0.039 221)
#05242D 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) | #1F232D | 0.033 |
| Deuteranopia (no green cones) | #191F2D | 0.028 |
| Tritanopia (no blue cones) | #002727 | 0.019 |
| Achromatopsia (no color) | #212121 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05242D
#05242D
oklch(24.3% 0.039 221)
- #301911
#301911
oklch(24.3% 0.04 39.9)
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 #05242D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.032
- Jet #212529 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.073
- Rich Navy #001219 ΔE 0.074
- Gunmetal #293241 ΔE 0.077
- Navy Blue #001146 ΔE 0.084
Use #05242D 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.