#1564BA
Closest named color: Mid Blue (#276AB3). oklch(50.7% 0.154 254.9), rgb(21, 100, 186).
Aa
White text reads best on this color (5.89:1).
About this color
#1564BA is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.154 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.025 away. White text reads best on it, at 5.89:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #1564BA |
| RGB | rgb(21, 100, 186) |
| HSL | hsl(211, 80%, 41%) |
| OKLCH | oklch(50.7% 0.154 254.9) |
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 #1564BA | 5.89:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #1564BA | 3.56:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #1564BA text on white | 5.89:1 | AA | Lc 78.9 | Fine for body text |
| #1564BA text on black | 3.56:1 | AA large text | Lc -22.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C3F0
oklch(80.7% 0.074 254.9)
-
Step 400
400
#6CA3E9
oklch(70.6% 0.119 255)
-
Step 500
500
#428AE3
oklch(63% 0.153 255.2)
-
Step 600
600
#1D72D1
oklch(55.6% 0.166 255)
-
Step 700
700 (this color)
#1564BA
oklch(50.7% 0.154 254.9)
-
Step 800
800
#114E92
oklch(42.7% 0.127 255)
-
Step 900
900
#174275
oklch(37.8% 0.099 254.9)
-
Step 950
950
#0F2744
oklch(27% 0.062 254.6)
#1564BA 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) | #346CBD | 0.033 |
| Deuteranopia (no green cones) | #025EB8 | 0.019 |
| Tritanopia (no blue cones) | #007986 | 0.115 |
| Achromatopsia (no color) | #646464 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1564BA
#1564BA
oklch(50.7% 0.154 254.9)
- #885B00
#885B00
oklch(50.7% 0.107 75.5)
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 #1564BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.025
- French Blue #436BAD ΔE 0.048
- Peacock Blue #016795 ΔE 0.063
- Windows Blue #3778BF ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.064
- Ocean Blue #03719C ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.067
- Nice Blue #107AB0 ΔE 0.067
Use #1564BA 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.