#11719E
Closest named color: Ocean Blue (#03719C). oklch(52% 0.107 236.3), rgb(17, 113, 158).
Aa
White text reads best on this color (5.41:1).
About this color
#11719E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.107 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.005 away. White text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #11719E |
| RGB | rgb(17, 113, 158) |
| HSL | hsl(199, 81%, 34%) |
| OKLCH | oklch(52% 0.107 236.3) |
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 #11719E | 5.41:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #11719E | 3.87:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #11719E text on white | 5.41:1 | AA | Lc 76.5 | Fine for body text |
| #11719E text on black | 3.87:1 | AA large text | Lc -25.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C6DE
oklch(80.8% 0.052 236.7)
-
Step 400
400
#6CA9CE
oklch(70.7% 0.083 236.3)
-
Step 500
500
#3F93C1
oklch(63.2% 0.106 236)
-
Step 600
600
#127CAD
oklch(55.5% 0.115 236.2)
-
Step 700
700 (this color)
#11719E
oklch(52% 0.107 236.3)
-
Step 800
800
#095579
oklch(42.6% 0.089 236.8)
-
Step 900
900
#144761
oklch(37.8% 0.069 235.3)
-
Step 950
950
#0E2A39
oklch(27.1% 0.044 235)
#11719E 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) | #5B71A0 | 0.062 |
| Deuteranopia (no green cones) | #49659D | 0.049 |
| Tritanopia (no blue cones) | #007D81 | 0.068 |
| Achromatopsia (no color) | #6A6A6A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11719E
#11719E
oklch(52% 0.107 236.3)
- #975622
#975622
oklch(52% 0.108 55.6)
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 #11719E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.005
- Sea Blue #047495 ΔE 0.019
- Muted Blue #3B719F ΔE 0.026
- Peacock Blue #016795 ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.033
- Nice Blue #107AB0 ΔE 0.035
- Ocean #017B92 ΔE 0.040
- Dull Blue #49759C ΔE 0.043
Use #11719E 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.