#121E46
Closest named color: Oxford Blue (#1B263B). oklch(25% 0.077 267.9), rgb(18, 30, 70).
Aa
White text reads best on this color (16.15:1).
About this color
#121E46 is a dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.077 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 16.15:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.29:1 |
| White text | 16.15:1 |
Values
| HEX | #121E46 |
| RGB | rgb(18, 30, 70) |
| HSL | hsl(226, 59%, 17%) |
| OKLCH | oklch(25% 0.077 267.9) |
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 #121E46 | 16.15:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #121E46 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #121E46 text on white | 16.15:1 | AAA | Lc 102.9 | Preferred for body text |
| #121E46 text on black | 1.29:1 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A7BFFC
oklch(80.9% 0.091 267.7)
-
Step 400
400
#7A9BFB
oklch(70.7% 0.146 268.2)
-
Step 500
500
#597FF8
oklch(63.1% 0.185 267.7)
-
Step 600
600
#4264E7
oklch(55.5% 0.202 268.1)
-
Step 700
700
#3452C9
oklch(49.1% 0.188 267.9)
-
Step 800
800
#2B44A3
oklch(42.7% 0.156 267.9)
-
Step 900
900
#263B81
oklch(37.8% 0.121 267.7)
-
Step 950
950 (this color)
#121E46
oklch(25% 0.077 267.9)
#121E46 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) | #072347 | 0.017 |
| Deuteranopia (no green cones) | #001E45 | 0.020 |
| Tritanopia (no blue cones) | #00272E | 0.063 |
| Achromatopsia (no color) | #212121 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #121E46
#121E46
oklch(25% 0.077 267.9)
- #2C2000
#2C2000
oklch(25.1% 0.051 88.2)
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 #121E46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Navy Blue #001146 ΔE 0.048
- Dark #1B2431 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.056
- Marine #042E60 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.068
- Jet #212529 ΔE 0.069
Use #121E46 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.