#176AA4
Closest named color: Mid Blue (#276AB3). oklch(50.7% 0.119 245.4), rgb(23, 106, 164).
Aa
White text reads best on this color (5.77:1).
About this color
#176AA4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.119 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.027 away. White text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #176AA4 |
| RGB | rgb(23, 106, 164) |
| HSL | hsl(205, 75%, 37%) |
| OKLCH | oklch(50.7% 0.119 245.4) |
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 #176AA4 | 5.77:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #176AA4 | 3.63:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #176AA4 text on white | 5.77:1 | AA | Lc 78.5 | Fine for body text |
| #176AA4 text on black | 3.63:1 | AA large text | Lc -23.3 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6FA7D6
oklch(70.8% 0.091 244.9)
-
Step 500
500
#4590CC
oklch(63.2% 0.117 245.4)
-
Step 600
600
#1F79B8
oklch(55.6% 0.127 244.9)
-
Step 700
700 (this color)
#176AA4
oklch(50.7% 0.119 245.4)
-
Step 800
800
#125381
oklch(42.7% 0.098 245.3)
-
Step 900
900
#184567
oklch(37.7% 0.076 244.8)
-
Step 950
950
#10293D
oklch(27.2% 0.049 245.1)
#176AA4 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) | #4E6CA6 | 0.047 |
| Deuteranopia (no green cones) | #3A60A3 | 0.034 |
| Tritanopia (no blue cones) | #00787F | 0.083 |
| Achromatopsia (no color) | #666666 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #176AA4
#176AA4
oklch(50.7% 0.119 245.4)
- #905500
#905500
oklch(50.6% 0.113 65.3)
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 #176AA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.027
- Peacock Blue #016795 ΔE 0.027
- Ocean Blue #03719C ΔE 0.027
- Muted Blue #3B719F ΔE 0.036
- French Blue #436BAD ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.040
- Sea Blue #047495 ΔE 0.043
- Denim #3B638C ΔE 0.043
Use #176AA4 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.