#153140
Closest named color: Gunmetal (#293241). oklch(29.9% 0.043 234.2), rgb(21, 49, 64).
Aa
White text reads best on this color (13.59:1).
About this color
#153140 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.043 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.027 away. White text reads best on it, at 13.59:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.54:1 |
| White text | 13.59:1 |
Values
| HEX | #153140 |
| RGB | rgb(21, 49, 64) |
| HSL | hsl(201, 51%, 17%) |
| OKLCH | oklch(29.9% 0.043 234.2) |
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 #153140 | 13.59:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #153140 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #153140 text on white | 13.59:1 | AAA | Lc 100.0 | Preferred for body text |
| #153140 text on black | 1.54:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A1C7DD
oklch(80.9% 0.051 233.6)
-
Step 400
400
#6BA9CC
oklch(70.6% 0.082 234.4)
-
Step 500
500
#3D93BF
oklch(63% 0.105 234.3)
-
Step 600
600
#0A7DAC
oklch(55.6% 0.115 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#045678
oklch(42.8% 0.088 234.4)
-
Step 900
900
#134760
oklch(37.7% 0.068 234)
-
Step 950
950 (this color)
#153140
oklch(29.9% 0.043 234.2)
#153140 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) | #2A3041 | 0.028 |
| Deuteranopia (no green cones) | #242C40 | 0.024 |
| Tritanopia (no blue cones) | #003536 | 0.031 |
| Achromatopsia (no color) | #2E2E2E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153140
#153140
oklch(29.9% 0.043 234.2)
- #3E2718
#3E2718
oklch(29.7% 0.043 53.5)
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 #153140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.032
- Midnight Green #073B4C ΔE 0.035
- Oxford Blue #1B263B ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.044
- Dark #1B2431 ΔE 0.046
- Jet #212529 ΔE 0.050
Use #153140 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.