#036ECF
Closest named color: Mid Blue (#276AB3). oklch(54.2% 0.171 254), rgb(3, 110, 207).
Aa
White text reads best on this color (5.07:1).
About this color
#036ECF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.171 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.044 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #036ECF |
| RGB | rgb(3, 110, 207) |
| HSL | hsl(209, 97%, 41%) |
| OKLCH | oklch(54.2% 0.171 254) |
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 #036ECF | 5.07:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #036ECF | 4.13:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #036ECF text on white | 5.07:1 | AA | Lc 74.3 | Content text, not long reading |
| #036ECF text on black | 4.13:1 | AA large text | Lc -27.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF6
oklch(88.4% 0.044 254.8)
-
Step 300
300
#9EC4F2
oklch(80.9% 0.077 253.5)
-
Step 400
400
#68A4EC
oklch(70.8% 0.123 253.8)
-
Step 500
500
#3B8BE6
oklch(63.2% 0.158 253.9)
-
Step 600
600 (this color)
#036ECF
oklch(54.2% 0.171 254)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#064E94
oklch(42.6% 0.132 254)
-
Step 900
900
#124276
oklch(37.7% 0.102 253.7)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#036ECF 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) | #3677D3 | 0.037 |
| Deuteranopia (no green cones) | #0067CD | 0.019 |
| Tritanopia (no blue cones) | #008694 | 0.128 |
| Achromatopsia (no color) | #6E6E6E | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #036ECF
#036ECF
oklch(54.2% 0.171 254)
- #966300
#966300
oklch(54.1% 0.115 74)
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 #036ECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.044
- Royal Blue #4169E1 ΔE 0.046
- Cerulean Blue #056EEE ΔE 0.048
- Windows Blue #3778BF ΔE 0.048
- French Blue #436BAD ΔE 0.060
- Azul #1D5DEC ΔE 0.062
- Nice Blue #107AB0 ΔE 0.064
- Neon Blue #4361EE ΔE 0.067
Use #036ECF 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.