#1179AF
Closest named color: Nice Blue (#107AB0). oklch(54.9% 0.12 239.4), rgb(17, 121, 175).
Aa
White text reads best on this color (4.79:1).
About this color
#1179AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.120 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.003 away. White text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #1179AF |
| RGB | rgb(17, 121, 175) |
| HSL | hsl(201, 82%, 38%) |
| OKLCH | oklch(54.9% 0.12 239.4) |
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 #1179AF | 4.79:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #1179AF | 4.37:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #1179AF text on white | 4.79:1 | AA | Lc 72.8 | Content text, not long reading |
| #1179AF text on black | 4.37:1 | AA large text | Lc -28.9 | 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 600.
-
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
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A2C6E0
oklch(80.9% 0.053 239.7)
-
Step 400
400
#6DA8D1
oklch(70.7% 0.086 239.9)
-
Step 500
500
#4092C5
oklch(63.2% 0.11 239.3)
-
Step 600
600 (this color)
#1179AF
oklch(54.9% 0.12 239.4)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#0B557C
oklch(42.8% 0.092 239.2)
-
Step 900
900
#154663
oklch(37.6% 0.071 239.1)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#1179AF 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) | #5F7AB1 | 0.062 |
| Deuteranopia (no green cones) | #4A6CAE | 0.049 |
| Tritanopia (no blue cones) | #00878C | 0.079 |
| Achromatopsia (no color) | #727272 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1179AF
#1179AF
oklch(54.9% 0.12 239.4)
- #A35D18
#A35D18
oklch(54.8% 0.12 59)
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 #1179AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.003
- Flat Blue #3C73A8 ΔE 0.027
- Muted Blue #3B719F ΔE 0.034
- Windows Blue #3778BF ΔE 0.034
- Ocean Blue #03719C ΔE 0.036
- Sea Blue #047495 ΔE 0.042
- Cerulean #457B9D ΔE 0.043
- Dull Blue #49759C ΔE 0.043
Use #1179AF 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.