#057699
Closest named color: Sea Blue (#047495). oklch(52.8% 0.102 227.7), rgb(5, 118, 153).
Aa
White text reads best on this color (5.17:1).
About this color
#057699 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.102 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.008 away. White text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #057699 |
| RGB | rgb(5, 118, 153) |
| HSL | hsl(194, 94%, 31%) |
| OKLCH | oklch(52.8% 0.102 227.7) |
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 #057699 | 5.17:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #057699 | 4.05:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #057699 text on white | 5.17:1 | AA | Lc 75.1 | Fine for body text |
| #057699 text on black | 4.05:1 | AA large text | Lc -26.6 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6EAAC4
oklch(70.7% 0.073 227.3)
-
Step 500
500
#4294B6
oklch(63% 0.094 228.3)
-
Step 600
600 (this color)
#057699
oklch(52.8% 0.102 227.7)
-
Step 700
700
#046A8A
oklch(49% 0.094 227.8)
-
Step 800
800
#0D5770
oklch(42.7% 0.078 227.1)
-
Step 900
900
#16485B
oklch(37.8% 0.061 227.3)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#057699 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) | #63749B | 0.073 |
| Deuteranopia (no green cones) | #526899 | 0.062 |
| Tritanopia (no blue cones) | #008082 | 0.055 |
| Achromatopsia (no color) | #6D6D6D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #057699
#057699
oklch(52.8% 0.102 227.7)
- #9A5734
#9A5734
oklch(52.8% 0.101 47.2)
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 #057699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.008
- Ocean Blue #03719C ΔE 0.017
- Ocean #017B92 ΔE 0.021
- Muted Blue #3B719F ΔE 0.033
- Nice Blue #107AB0 ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Cerulean #457B9D ΔE 0.042
Use #057699 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.