#121A44
Closest named color: Navy Blue (#001146). oklch(23.9% 0.08 271), rgb(18, 26, 68).
Aa
White text reads best on this color (16.70:1).
About this color
#121A44 is a very dark, moderately saturated blue. In OKLCH its lightness is 24%, its chroma 0.080 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.039 away. White text reads best on it, at 16.70:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.25:1 |
| White text | 16.70:1 |
Values
| HEX | #121A44 |
| RGB | rgb(18, 26, 68) |
| HSL | hsl(230, 58%, 17%) |
| OKLCH | oklch(23.9% 0.08 271) |
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 #121A44 | 16.70:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #121A44 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #121A44 text on white | 16.70:1 | AAA | Lc 103.4 | Preferred for body text |
| #121A44 text on black | 1.25:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#AABEFE
oklch(81% 0.094 270.8)
-
Step 400
400
#7E99FE
oklch(70.7% 0.151 270.8)
-
Step 500
500
#617CFC
oklch(63.2% 0.192 271)
-
Step 600
600
#4A60EB
oklch(55.5% 0.21 271)
-
Step 700
700
#3C4ECD
oklch(49.1% 0.196 271)
-
Step 800
800
#3141A5
oklch(42.6% 0.161 270.9)
-
Step 900
900
#2B3983
oklch(37.8% 0.125 271.1)
-
Step 950
950 (this color)
#121A44
oklch(23.9% 0.08 271)
#121A44 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) | #002045 | 0.024 |
| Deuteranopia (no green cones) | #001C43 | 0.021 |
| Tritanopia (no blue cones) | #00242C | 0.065 |
| Achromatopsia (no color) | #1E1E1E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #121A44
#121A44
oklch(23.9% 0.08 271)
- #281E00
#281E00
oklch(24% 0.049 90.9)
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 #121A44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.049
- Dark Indigo #1F0954 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.052
- Dark #1B2431 ΔE 0.056
- Night Blue #040348 ΔE 0.063
- Darkblue #030764 ΔE 0.072
- Marine #042E60 ΔE 0.074
Use #121A44 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.