#1077B4
Closest named color: Nice Blue (#107AB0). oklch(54.7% 0.127 242.9), rgb(16, 119, 180).
Aa
White text reads best on this color (4.86:1).
About this color
#1077B4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.127 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.012 away. White text reads best on it, at 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #1077B4 |
| RGB | rgb(16, 119, 180) |
| HSL | hsl(202, 84%, 38%) |
| OKLCH | oklch(54.7% 0.127 242.9) |
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 #1077B4 | 4.86:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #1077B4 | 4.31:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #1077B4 text on white | 4.86:1 | AA | Lc 73.2 | Content text, not long reading |
| #1077B4 text on black | 4.31:1 | AA large text | Lc -28.5 | 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
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E3
oklch(80.9% 0.057 242)
-
Step 400
400
#6CA7D5
oklch(70.6% 0.091 243.1)
-
Step 500
500
#4091CA
oklch(63.2% 0.116 242.5)
-
Step 600
600 (this color)
#1077B4
oklch(54.7% 0.127 242.9)
-
Step 700
700
#01669E
oklch(49.1% 0.119 243.2)
-
Step 800
800
#0B5480
oklch(42.8% 0.098 242.7)
-
Step 900
900
#154567
oklch(37.6% 0.077 243.7)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#1077B4 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) | #5A79B7 | 0.058 |
| Deuteranopia (no green cones) | #436BB3 | 0.042 |
| Tritanopia (no blue cones) | #00868D | 0.086 |
| Achromatopsia (no color) | #717171 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1077B4
#1077B4
oklch(54.7% 0.127 242.9)
- #A25D00
#A25D00
oklch(54.6% 0.125 62.8)
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 #1077B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.012
- Windows Blue #3778BF ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.029
- Mid Blue #276AB3 ΔE 0.036
- Muted Blue #3B719F ΔE 0.038
- Ocean Blue #03719C ΔE 0.040
- French Blue #436BAD ΔE 0.042
- Dull Blue #49759C ΔE 0.049
Use #1077B4 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.