#1371C2
Closest named color: Mid Blue (#276AB3). oklch(54.2% 0.15 251), rgb(19, 113, 194).
Aa
White text reads best on this color (5.03:1).
About this color
#1371C2 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.150 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.028 away. White text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #1371C2 |
| RGB | rgb(19, 113, 194) |
| HSL | hsl(208, 82%, 42%) |
| OKLCH | oklch(54.2% 0.15 251) |
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 #1371C2 | 5.03:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #1371C2 | 4.16:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #1371C2 text on white | 5.03:1 | AA | Lc 74.2 | Content text, not long reading |
| #1371C2 text on black | 4.16:1 | AA large text | Lc -27.5 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A1C4EB
oklch(80.8% 0.067 251.4)
-
Step 400
400
#6CA5E2
oklch(70.7% 0.108 251.1)
-
Step 500
500
#418DD9
oklch(63.1% 0.137 250.9)
-
Step 600
600 (this color)
#1371C2
oklch(54.2% 0.15 251)
-
Step 700
700
#0862AC
oklch(49.1% 0.14 251.1)
-
Step 800
800
#0F508B
oklch(42.6% 0.115 251.4)
-
Step 900
900
#16436F
oklch(37.6% 0.09 251.1)
-
Step 950
950
#0F2841
oklch(27.1% 0.056 250.6)
#1371C2 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) | #4877C5 | 0.043 |
| Deuteranopia (no green cones) | #2868C0 | 0.024 |
| Tritanopia (no blue cones) | #008590 | 0.110 |
| Achromatopsia (no color) | #6F6F6F | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1371C2
#1371C2
oklch(54.2% 0.15 251)
- #996100
#996100
oklch(54.1% 0.117 70.6)
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 #1371C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.028
- Windows Blue #3778BF ΔE 0.032
- Nice Blue #107AB0 ΔE 0.042
- French Blue #436BAD ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.048
- Muted Blue #3B719F ΔE 0.058
- Water Blue #0E87CC ΔE 0.061
- Ocean Blue #03719C ΔE 0.062
Use #1371C2 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.