#1E2735
Closest named color: Dark (#1B2431). oklch(27.1% 0.029 259.1), rgb(30, 39, 53).
Aa
White text reads best on this color (15.03:1).
About this color
#1E2735 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.013 away. White text reads best on it, at 15.03:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.39:1 |
| White text | 15.03:1 |
Values
| HEX | #1E2735 |
| RGB | rgb(30, 39, 53) |
| HSL | hsl(217, 28%, 16%) |
| OKLCH | oklch(27.1% 0.029 259.1) |
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 #1E2735 | 15.03:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #1E2735 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #1E2735 text on white | 15.03:1 | AAA | Lc 101.9 | Preferred for body text |
| #1E2735 text on black | 1.39:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D7
oklch(81% 0.033 258.4)
-
Step 400
400
#8CA2C4
oklch(70.7% 0.056 259)
-
Step 500
500
#708BB5
oklch(63.2% 0.071 259.1)
-
Step 600
600
#5874A0
oklch(55.6% 0.076 259.2)
-
Step 700
700
#486189
oklch(49% 0.071 259.6)
-
Step 800
800
#3B506F
oklch(42.8% 0.058 258)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950 (this color)
#1E2735
oklch(27.1% 0.029 259.1)
#1E2735 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) | #222836 | 0.008 |
| Deuteranopia (no green cones) | #202635 | 0.004 |
| Tritanopia (no blue cones) | #172A2C | 0.025 |
| Achromatopsia (no color) | #272727 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E2735
#1E2735
oklch(27.1% 0.029 259.1)
- #2E2516
#2E2516
oklch(27% 0.029 79.8)
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 #1E2735, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.013
- Oxford Blue #1B263B ΔE 0.013
- Jet #212529 ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.037
- Gunmetal #293241 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.069
- Midnight Green #073B4C ΔE 0.070
Use #1E2735 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.