#036FA4
Closest named color: Ocean Blue (#03719C). oklch(51.7% 0.117 240), rgb(3, 111, 164).
Aa
White text reads best on this color (5.50:1).
About this color
#036FA4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.117 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.015 away. White text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #036FA4 |
| RGB | rgb(3, 111, 164) |
| HSL | hsl(200, 96%, 33%) |
| OKLCH | oklch(51.7% 0.117 240) |
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 #036FA4 | 5.50:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #036FA4 | 3.81:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #036FA4 text on white | 5.50:1 | AA | Lc 76.9 | Fine for body text |
| #036FA4 text on black | 3.81:1 | AA large text | Lc -24.8 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCEC
oklch(88.4% 0.032 240.7)
-
Step 300
300
#A0C6E2
oklch(80.8% 0.057 240.3)
-
Step 400
400
#6AA8D4
oklch(70.7% 0.091 240.7)
-
Step 500
500
#3B92C8
oklch(63.1% 0.116 239.7)
-
Step 600
600
#047BB5
oklch(55.6% 0.126 240)
-
Step 700
700 (this color)
#036FA4
oklch(51.7% 0.117 240)
-
Step 800
800
#01557E
oklch(42.8% 0.096 239.3)
-
Step 900
900
#114665
oklch(37.6% 0.075 239.6)
-
Step 950
950
#0D293B
oklch(26.9% 0.047 240.1)
#036FA4 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) | #5570A6 | 0.059 |
| Deuteranopia (no green cones) | #4163A3 | 0.046 |
| Tritanopia (no blue cones) | #007C82 | 0.076 |
| Achromatopsia (no color) | #696969 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #036FA4
#036FA4
oklch(51.7% 0.117 240)
- #98550A
#98550A
oklch(51.8% 0.118 60)
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 #036FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.015
- Peacock Blue #016795 ΔE 0.031
- Muted Blue #3B719F ΔE 0.032
- Sea Blue #047495 ΔE 0.032
- Mid Blue #276AB3 ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.035
- Nice Blue #107AB0 ΔE 0.035
- French Blue #436BAD ΔE 0.042
Use #036FA4 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.