#111D5C
Closest named color: Midnight Blue (#191970). oklch(26.9% 0.113 268.8), rgb(17, 29, 92).
Aa
White text reads best on this color (15.50:1).
About this color
#111D5C is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.113 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.037 away. White text reads best on it, at 15.50:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #111D5C |
| RGB | rgb(17, 29, 92) |
| HSL | hsl(230, 69%, 21%) |
| OKLCH | oklch(26.9% 0.113 268.8) |
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 #111D5C | 15.50:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #111D5C | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #111D5C text on white | 15.50:1 | AAA | Lc 102.0 | Preferred for body text |
| #111D5C text on black | 1.35:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#597CFF
oklch(63% 0.198 268.8)
-
Step 600
600
#3D5AFF
oklch(55.6% 0.245 268.8)
-
Step 700
700
#2D35F9
oklch(49% 0.276 268.8)
-
Step 800
800
#2430C9
oklch(42.7% 0.229 268.8)
-
Step 900
900
#1F2F9E
oklch(37.7% 0.178 268.8)
-
Step 950
950 (this color)
#111D5C
oklch(26.9% 0.113 268.8)
#111D5C 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) | #00285E | 0.030 |
| Deuteranopia (no green cones) | #00215B | 0.017 |
| Tritanopia (no blue cones) | #002E39 | 0.090 |
| Achromatopsia (no color) | #242424 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #111D5C
#111D5C
oklch(26.9% 0.113 268.8)
- #312400
#312400
oklch(26.8% 0.055 88.3)
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 #111D5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.037
- Marine #042E60 ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.047
- Darkblue #030764 ΔE 0.049
- Dark Royal Blue #02066F ΔE 0.055
- Deep Blue #040273 ΔE 0.060
- Navy Blue #001146 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.071
Use #111D5C 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.