#113559
Closest named color: Prussian Blue (#1D3557). oklch(32.3% 0.076 251.4), rgb(17, 53, 89).
Aa
White text reads best on this color (12.51:1).
About this color
#113559 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.076 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.012 away. White text reads best on it, at 12.51:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.67:1 |
| White text | 12.51:1 |
Values
| HEX | #113559 |
| RGB | rgb(17, 53, 89) |
| HSL | hsl(210, 68%, 21%) |
| OKLCH | oklch(32.3% 0.076 251.4) |
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 #113559 | 12.51:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #113559 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #113559 text on white | 12.51:1 | AAA | Lc 98.2 | Preferred for body text |
| #113559 text on black | 1.67:1 | 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
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCFA
oklch(88.5% 0.05 252.1)
-
Step 300
300
#95C5F9
oklch(80.9% 0.09 251)
-
Step 400
400
#56A5F7
oklch(70.8% 0.144 251.3)
-
Step 500
500
#058BF3
oklch(63.1% 0.184 251.3)
-
Step 600
600
#0074CE
oklch(55.5% 0.163 251.5)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950 (this color)
#113559
oklch(32.3% 0.076 251.4)
#113559 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) | #24375A | 0.022 |
| Deuteranopia (no green cones) | #193158 | 0.013 |
| Tritanopia (no blue cones) | #003E42 | 0.059 |
| Achromatopsia (no color) | #343434 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #113559
#113559
oklch(32.3% 0.076 251.4)
- #492D00
#492D00
oklch(32.4% 0.069 72.5)
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 #113559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.012
- Marine #042E60 ΔE 0.029
- Marine Blue #01386A ΔE 0.030
- Midnight Green #073B4C ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.036
- Gunmetal #293241 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.064
Use #113559 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.