#121532
Closest named color: Rich Black (#0D1B2A). oklch(21.1% 0.057 276), rgb(18, 21, 50).
Aa
White text reads best on this color (17.81:1).
About this color
#121532 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.057 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 17.81:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.81:1 |
Values
| HEX | #121532 |
| RGB | rgb(18, 21, 50) |
| HSL | hsl(234, 47%, 13%) |
| OKLCH | oklch(21.1% 0.057 276) |
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 #121532 | 17.81:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #121532 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #121532 text on white | 17.81:1 | AAA | Lc 104.5 | Preferred for body text |
| #121532 text on black | 1.17:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B4BEEC
oklch(80.9% 0.066 275.3)
-
Step 400
400
#8E9BE3
oklch(70.8% 0.106 275.5)
-
Step 500
500
#7480DB
oklch(63.1% 0.137 276.1)
-
Step 600
600
#5D68C9
oklch(55.7% 0.149 275.6)
-
Step 700
700
#4D56AE
oklch(49.2% 0.139 275.7)
-
Step 800
800
#3F468D
oklch(42.6% 0.116 276.1)
-
Step 900
900
#353C70
oklch(37.7% 0.089 275.5)
-
Step 950
950 (this color)
#121532
oklch(21.1% 0.057 276)
#121532 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) | #081933 | 0.018 |
| Deuteranopia (no green cones) | #051631 | 0.019 |
| Tritanopia (no blue cones) | #041B21 | 0.049 |
| Achromatopsia (no color) | #181818 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #121532
#121532
oklch(21.1% 0.057 276)
- #1F1800
#1F1800
oklch(21.1% 0.043 94.5)
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 #121532, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Navy Blue #001146 ΔE 0.049
- Dark #1B2431 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.061
- Rich Navy #001219 ΔE 0.062
- Dark Navy #000435 ΔE 0.066
- Midnight Purple #280137 ΔE 0.066
- Night Blue #040348 ΔE 0.067
Use #121532 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.