#11315A
Closest named color: Marine (#042E60). oklch(31.4% 0.083 256.1), rgb(17, 49, 90).
Aa
White text reads best on this color (13.03:1).
About this color
#11315A is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.083 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.018 away. White text reads best on it, at 13.03:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #11315A |
| RGB | rgb(17, 49, 90) |
| HSL | hsl(214, 68%, 21%) |
| OKLCH | oklch(31.4% 0.083 256.1) |
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 #11315A | 13.03:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #11315A | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #11315A text on white | 13.03:1 | AAA | Lc 99.0 | Preferred for body text |
| #11315A text on black | 1.61:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFD
oklch(88.4% 0.054 256.1)
-
Step 300
300
#97C3FF
oklch(80.8% 0.098 256.3)
-
Step 400
400
#5BA2FF
oklch(70.8% 0.155 255.9)
-
Step 500
500
#1F86FE
oklch(63% 0.2 256.1)
-
Step 600
600
#006FDF
oklch(55.6% 0.191 256.1)
-
Step 700
700
#005DBD
oklch(49.1% 0.169 256.1)
-
Step 800
800
#004C9C
oklch(42.7% 0.146 256)
-
Step 900
900
#003F84
oklch(37.7% 0.129 256.1)
-
Step 950
950 (this color)
#11315A
oklch(31.4% 0.083 256.1)
#11315A 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) | #1D345C | 0.017 |
| Deuteranopia (no green cones) | #102E59 | 0.010 |
| Tritanopia (no blue cones) | #003B41 | 0.064 |
| Achromatopsia (no color) | #313131 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11315A
#11315A
oklch(31.4% 0.083 256.1)
- #442C00
#442C00
oklch(31.4% 0.066 76.5)
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 #11315A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.018
- Prussian Blue #1D3557 ΔE 0.020
- Marine Blue #01386A ΔE 0.033
- Midnight Green #073B4C ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.060
Use #11315A 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.