#1E71A5
Closest named color: Ocean Blue (#03719C). oklch(52.6% 0.112 241.9), rgb(30, 113, 165).
Aa
White text reads best on this color (5.30:1).
About this color
#1E71A5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.112 and its hue 242°. 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 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #1E71A5 |
| RGB | rgb(30, 113, 165) |
| HSL | hsl(203, 69%, 38%) |
| OKLCH | oklch(52.6% 0.112 241.9) |
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 #1E71A5 | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #1E71A5 | 3.96:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #1E71A5 text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #1E71A5 text on black | 3.96:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEA
oklch(88.5% 0.027 241.2)
-
Step 300
300
#A5C5DF
oklch(80.9% 0.05 242.9)
-
Step 400
400
#73A7CF
oklch(70.7% 0.081 242.4)
-
Step 500
500
#4B91C2
oklch(63.2% 0.102 241.4)
-
Step 600
600 (this color)
#1E71A5
oklch(52.6% 0.112 241.9)
-
Step 700
700
#1B6796
oklch(49.2% 0.103 241.4)
-
Step 800
800
#1A547A
oklch(42.8% 0.086 241.9)
-
Step 900
900
#1C4562
oklch(37.6% 0.068 242.4)
-
Step 950
950
#122939
oklch(27% 0.042 241)
#1E71A5 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) | #5872A7 | 0.053 |
| Deuteranopia (no green cones) | #4666A4 | 0.041 |
| Tritanopia (no blue cones) | #007E83 | 0.077 |
| Achromatopsia (no color) | #6B6B6B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E71A5
#1E71A5
oklch(52.6% 0.112 241.9)
- #985A16
#985A16
oklch(52.7% 0.112 62.1)
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 #1E71A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.018
- Muted Blue #3B719F ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.024
- Nice Blue #107AB0 ΔE 0.028
- Sea Blue #047495 ΔE 0.031
- Mid Blue #276AB3 ΔE 0.033
- French Blue #436BAD ΔE 0.036
- Peacock Blue #016795 ΔE 0.039
Use #1E71A5 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.