#113E7A
Closest named color: Twilight Blue (#0A437A). oklch(37% 0.113 257.3), rgb(17, 62, 122).
Aa
White text reads best on this color (10.53:1).
About this color
#113E7A is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.113 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.015 away. White text reads best on it, at 10.53:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #113E7A |
| RGB | rgb(17, 62, 122) |
| HSL | hsl(214, 76%, 27%) |
| OKLCH | oklch(37% 0.113 257.3) |
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 #113E7A | 10.53:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #113E7A | 1.99:1 | Fails | Lc 9.9 | Not readable |
| #113E7A text on white | 10.53:1 | AAA | Lc 94.0 | Preferred for body text |
| #113E7A text on black | 1.99:1 | Fails | Lc -8.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300
#9EC3F8
oklch(80.9% 0.085 257.3)
-
Step 400
400
#68A2F4
oklch(70.8% 0.135 257.2)
-
Step 500
500
#3C88F0
oklch(63.2% 0.173 257.2)
-
Step 600
600
#146EDE
oklch(55.5% 0.189 257.4)
-
Step 700
700
#025CC1
oklch(49.2% 0.175 257.2)
-
Step 800
800
#0A4B9C
oklch(42.6% 0.146 257.5)
-
Step 900
900 (this color)
#113E7A
oklch(37% 0.113 257.3)
-
Step 950
950
#0D2649
oklch(27.1% 0.072 257.4)
#113E7A 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) | #1C447C | 0.021 |
| Deuteranopia (no green cones) | #003B79 | 0.014 |
| Tritanopia (no blue cones) | #004C56 | 0.085 |
| Achromatopsia (no color) | #3F3F3F | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #113E7A
#113E7A
oklch(37% 0.113 257.3)
- #563900
#563900
oklch(36.9% 0.077 76.9)
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 #113E7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.015
- Marine Blue #01386A ΔE 0.034
- Cobalt #1E488F ΔE 0.046
- Light Navy #155084 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.062
- Deep Sea Blue #015482 ΔE 0.065
- Marine #042E60 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.067
Use #113E7A 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.