#1E2133
Closest named color: Dark (#1B2431). oklch(25.4% 0.034 276.4), rgb(30, 33, 51).
Aa
White text reads best on this color (15.90:1).
About this color
#1E2133 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.034 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.013 away. White text reads best on it, at 15.90:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.32:1 |
| White text | 15.90:1 |
Values
| HEX | #1E2133 |
| RGB | rgb(30, 33, 51) |
| HSL | hsl(231, 26%, 16%) |
| OKLCH | oklch(25.4% 0.034 276.4) |
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 #1E2133 | 15.90:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #1E2133 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #1E2133 text on white | 15.90:1 | AAA | Lc 102.8 | Preferred for body text |
| #1E2133 text on black | 1.32:1 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#B9BFDB
oklch(80.9% 0.04 275.9)
-
Step 400
400
#959ECA
oklch(70.8% 0.065 275.6)
-
Step 500
500
#7C85BC
oklch(63.1% 0.083 276.6)
-
Step 600
600
#656EA8
oklch(55.5% 0.091 276.3)
-
Step 700
700
#545C90
oklch(49.1% 0.084 276.2)
-
Step 800
800
#454B75
oklch(42.7% 0.07 276.8)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950 (this color)
#1E2133
oklch(25.4% 0.034 276.4)
#1E2133 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) | #1B2334 | 0.008 |
| Deuteranopia (no green cones) | #1A2133 | 0.007 |
| Tritanopia (no blue cones) | #182427 | 0.030 |
| Achromatopsia (no color) | #222222 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E2133
#1E2133
oklch(25.4% 0.034 276.4)
- #27220E
#27220E
oklch(25.2% 0.034 95.7)
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 #1E2133, 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 0.020
- Jet #212529 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.063
- Eggplant #380835 ΔE 0.081
- Navy Blue #001146 ΔE 0.082
Use #1E2133 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.