#113D5F
Closest named color: Prussian Blue (#1D3557). oklch(34.9% 0.076 246.1), rgb(17, 61, 95).
Aa
White text reads best on this color (11.31:1).
About this color
#113D5F is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.076 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.027 away. White text reads best on it, at 11.31:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #113D5F |
| RGB | rgb(17, 61, 95) |
| HSL | hsl(206, 70%, 22%) |
| OKLCH | oklch(34.9% 0.076 246.1) |
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 #113D5F | 11.31:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #113D5F | 1.85:1 | Fails | Lc 8.1 | Not readable |
| #113D5F text on white | 11.31:1 | AAA | Lc 95.8 | Preferred for body text |
| #113D5F text on black | 1.85:1 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400
#70A6D6
oklch(70.6% 0.091 246.3)
-
Step 500
500
#478FCB
oklch(63% 0.116 246.2)
-
Step 600
600
#2378B8
oklch(55.5% 0.127 246.2)
-
Step 700
700
#14659F
oklch(49.1% 0.118 246.2)
-
Step 800
800
#155381
oklch(42.8% 0.097 245.9)
-
Step 900
900 (this color)
#113D5F
oklch(34.9% 0.076 246.1)
-
Step 950
950
#10283C
oklch(26.8% 0.048 246)
#113D5F 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) | #2D3E60 | 0.030 |
| Deuteranopia (no green cones) | #22375E | 0.022 |
| Tritanopia (no blue cones) | #004549 | 0.054 |
| Achromatopsia (no color) | #3A3A3A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #113D5F
#113D5F
oklch(34.9% 0.076 246.1)
- #543102
#543102
oklch(34.9% 0.076 66.7)
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 #113D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.027
- Marine Blue #01386A ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.032
- Midnight Green #073B4C ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.046
- Twilight Blue #0A437A ΔE 0.047
- Marine #042E60 ΔE 0.050
Use #113D5F 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.