#176B9C
Closest named color: Ocean Blue (#03719C). oklch(50.5% 0.108 240.8), rgb(23, 107, 156).
Aa
White text reads best on this color (5.80:1).
About this color
#176B9C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.108 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.018 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #176B9C |
| RGB | rgb(23, 107, 156) |
| HSL | hsl(202, 74%, 35%) |
| OKLCH | oklch(50.5% 0.108 240.8) |
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 #176B9C | 5.80:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #176B9C | 3.61:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #176B9C text on white | 5.80:1 | AA | Lc 78.6 | Fine for body text |
| #176B9C text on black | 3.61:1 | AA large text | Lc -23.2 | 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
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A3C6E0
oklch(81% 0.053 240.5)
-
Step 400
400
#6FA8D0
oklch(70.8% 0.084 240.1)
-
Step 500
500
#4691C4
oklch(63.1% 0.107 241.1)
-
Step 600
600
#207BB0
oklch(55.7% 0.116 240.1)
-
Step 700
700 (this color)
#176B9C
oklch(50.5% 0.108 240.8)
-
Step 800
800
#13547B
oklch(42.7% 0.09 240.9)
-
Step 900
900
#194663
oklch(37.8% 0.07 240.6)
-
Step 950
950
#10293A
oklch(27% 0.044 240.8)
#176B9C 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) | #546C9E | 0.054 |
| Deuteranopia (no green cones) | #42609B | 0.042 |
| Tritanopia (no blue cones) | #00777C | 0.072 |
| Achromatopsia (no color) | #656565 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #176B9C
#176B9C
oklch(50.5% 0.108 240.8)
- #905414
#905414
oklch(50.5% 0.108 61.2)
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 #176B9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.018
- Peacock Blue #016795 ΔE 0.018
- Sea Blue #047495 ΔE 0.032
- Muted Blue #3B719F ΔE 0.033
- Denim #3B638C ΔE 0.036
- Mid Blue #276AB3 ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.041
- French Blue #436BAD ΔE 0.045
Use #176B9C 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.