#016DA3
Closest named color: Ocean Blue (#03719C). oklch(51.1% 0.118 240.8), rgb(1, 109, 163).
Aa
White text reads best on this color (5.64:1).
About this color
#016DA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.118 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 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.71:1 |
| White text | 5.64:1 |
Values
| HEX | #016DA3 |
| RGB | rgb(1, 109, 163) |
| HSL | hsl(200, 99%, 32%) |
| OKLCH | oklch(51.1% 0.118 240.8) |
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 #016DA3 | 5.64:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #016DA3 | 3.71:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #016DA3 text on white | 5.64:1 | AA | Lc 77.6 | Fine for body text |
| #016DA3 text on black | 3.71:1 | AA large text | Lc -24.1 | 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
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E3
oklch(80.9% 0.058 241.3)
-
Step 400
400
#6AA8D4
oklch(70.7% 0.091 240.7)
-
Step 500
500
#3C91C9
oklch(63% 0.117 241.1)
-
Step 600
600
#077BB6
oklch(55.7% 0.127 240.6)
-
Step 700
700 (this color)
#016DA3
oklch(51.1% 0.118 240.8)
-
Step 800
800
#03547F
oklch(42.6% 0.098 241.1)
-
Step 900
900
#124666
oklch(37.7% 0.076 240.7)
-
Step 950
950
#0D293C
oklch(27% 0.049 241.5)
#016DA3 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) | #536EA5 | 0.058 |
| Deuteranopia (no green cones) | #3E61A2 | 0.044 |
| Tritanopia (no blue cones) | #007B80 | 0.080 |
| Achromatopsia (no color) | #676767 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #016DA3
#016DA3
oklch(51.1% 0.118 240.8)
- #965301
#965301
oklch(51.1% 0.119 60.6)
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 #016DA3, 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 0.026
- Mid Blue #276AB3 ΔE 0.033
- Sea Blue #047495 ΔE 0.035
- Muted Blue #3B719F ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.039
- Nice Blue #107AB0 ΔE 0.041
- French Blue #436BAD ΔE 0.043
Use #016DA3 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.