#1C242E
Closest named color: Dark (#1B2431). oklch(25.7% 0.022 254.2), rgb(28, 36, 46).
Aa
White text reads best on this color (15.65:1).
About this color
#1C242E is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.006 away. White text reads best on it, at 15.65:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.34:1 |
| White text | 15.65:1 |
Values
| HEX | #1C242E |
| RGB | rgb(28, 36, 46) |
| HSL | hsl(213, 24%, 15%) |
| OKLCH | oklch(25.7% 0.022 254.2) |
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 #1C242E | 15.65:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #1C242E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #1C242E text on white | 15.65:1 | AAA | Lc 102.6 | Preferred for body text |
| #1C242E text on black | 1.34:1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B5C2D2
oklch(80.9% 0.027 253.6)
-
Step 400
400
#8FA2BB
oklch(70.6% 0.043 255.3)
-
Step 500
500
#738CAA
oklch(63.2% 0.054 253.2)
-
Step 600
600
#5C7595
oklch(55.5% 0.058 254.8)
-
Step 700
700
#4B627F
oklch(49% 0.054 254.5)
-
Step 800
800
#3E5067
oklch(42.6% 0.045 254.8)
-
Step 900
900
#354354
oklch(37.8% 0.034 253.6)
-
Step 950
950 (this color)
#1C242E
oklch(25.7% 0.022 254.2)
#1C242E 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) | #20242E | 0.007 |
| Deuteranopia (no green cones) | #1E232E | 0.005 |
| Tritanopia (no blue cones) | #172627 | 0.019 |
| Achromatopsia (no color) | #232323 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C242E
#1C242E
oklch(25.7% 0.022 254.2)
- #2A2217
#2A2217
oklch(25.8% 0.023 75.3)
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 #1C242E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.006
- Jet #212529 ΔE 0.014
- Oxford Blue #1B263B ΔE 0.024
- Rich Black #0D1B2A ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.052
- Gunmetal #293241 ΔE 0.059
- Dark Brown #341C02 ΔE 0.076
- Midnight Green #073B4C ΔE 0.083
Use #1C242E 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.