#0271AD
Closest named color: Mid Blue (#276AB3). oklch(52.7% 0.126 242.7), rgb(2, 113, 173).
Aa
White text reads best on this color (5.29:1).
About this color
#0271AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.126 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.026 away. White text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #0271AD |
| RGB | rgb(2, 113, 173) |
| HSL | hsl(201, 98%, 34%) |
| OKLCH | oklch(52.7% 0.126 242.7) |
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 #0271AD | 5.29:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #0271AD | 3.96:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #0271AD text on white | 5.29:1 | AA | Lc 75.7 | Fine for body text |
| #0271AD text on black | 3.96:1 | AA large text | Lc -26.0 | 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
#4191CA
oklch(63.2% 0.116 242.7)
-
Step 600
600 (this color)
#0271AD
oklch(52.7% 0.126 242.7)
-
Step 700
700
#02669D
oklch(49% 0.117 242.9)
-
Step 800
800
#0C547F
oklch(42.8% 0.096 242.2)
-
Step 900
900
#154566
oklch(37.5% 0.076 243)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#0271AD 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) | #5473B0 | 0.057 |
| Deuteranopia (no green cones) | #3D65AC | 0.042 |
| Tritanopia (no blue cones) | #008087 | 0.085 |
| Achromatopsia (no color) | #6B6B6B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0271AD
#0271AD
oklch(52.7% 0.126 242.7)
- #9A5800
#9A5800
oklch(52.5% 0.12 62.7)
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 #0271AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.026
- Nice Blue #107AB0 ΔE 0.027
- Ocean Blue #03719C ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.032
- Muted Blue #3B719F ΔE 0.035
- French Blue #436BAD ΔE 0.038
- Sea Blue #047495 ΔE 0.042
- Peacock Blue #016795 ΔE 0.044
Use #0271AD 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.