#12205F
Closest named color: Midnight Blue (#191970). oklch(27.8% 0.113 268.2), rgb(18, 32, 95).
Aa
White text reads best on this color (15.02:1).
About this color
#12205F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.113 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.033 away. White text reads best on it, at 15.02:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.39:1 |
| White text | 15.02:1 |
Values
| HEX | #12205F |
| RGB | rgb(18, 32, 95) |
| HSL | hsl(229, 68%, 22%) |
| OKLCH | oklch(27.8% 0.113 268.2) |
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 #12205F | 15.02:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #12205F | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #12205F text on white | 15.02:1 | AAA | Lc 101.5 | Preferred for body text |
| #12205F text on black | 1.39:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789AFF
oklch(70.6% 0.153 268.3)
-
Step 500
500
#587DFF
oklch(63.1% 0.197 268.3)
-
Step 600
600
#3B5BFF
oklch(55.6% 0.244 268.3)
-
Step 700
700
#2A36FA
oklch(49.1% 0.277 268.2)
-
Step 800
800
#2230C9
oklch(42.6% 0.229 268.3)
-
Step 900
900
#1D2F9E
oklch(37.7% 0.179 268.3)
-
Step 950
950 (this color)
#12205F
oklch(27.8% 0.113 268.2)
#12205F 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) | #002A61 | 0.028 |
| Deuteranopia (no green cones) | #00235E | 0.016 |
| Tritanopia (no blue cones) | #00303C | 0.088 |
| Achromatopsia (no color) | #272727 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12205F
#12205F
oklch(27.8% 0.113 268.2)
- #342600
#342600
oklch(27.7% 0.057 87.5)
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 #12205F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.033
- Marine #042E60 ΔE 0.039
- Dark Indigo #1F0954 ΔE 0.055
- Darkblue #030764 ΔE 0.056
- Dark Royal Blue #02066F ΔE 0.058
- Deep Blue #040273 ΔE 0.063
- Marine Blue #01386A ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.069
Use #12205F 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.