#2569BF
Closest named color: Mid Blue (#276AB3). oklch(52.5% 0.151 256.3), rgb(37, 105, 191).
Aa
White text reads best on this color (5.45:1).
About this color
#2569BF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.151 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.020 away. White text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #2569BF |
| RGB | rgb(37, 105, 191) |
| HSL | hsl(214, 68%, 45%) |
| OKLCH | oklch(52.5% 0.151 256.3) |
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 #2569BF | 5.45:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #2569BF | 3.85:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #2569BF text on white | 5.45:1 | AA | Lc 76.7 | Fine for body text |
| #2569BF text on black | 3.85:1 | AA large text | Lc -25.0 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A4C3ED
oklch(80.9% 0.069 256.1)
-
Step 400
400
#73A3E4
oklch(70.8% 0.109 256.2)
-
Step 500
500
#4D8ADC
oklch(63.1% 0.14 256.4)
-
Step 600
600 (this color)
#2569BF
oklch(52.5% 0.151 256.3)
-
Step 700
700
#215FAE
oklch(49% 0.141 256.4)
-
Step 800
800
#1E4E8D
oklch(42.6% 0.117 256.6)
-
Step 900
900
#1E4271
oklch(37.8% 0.091 256.1)
-
Step 950
950
#122742
oklch(27.1% 0.057 255.5)
#2569BF 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) | #3C71C2 | 0.031 |
| Deuteranopia (no green cones) | #1963BD | 0.019 |
| Tritanopia (no blue cones) | #007E8A | 0.117 |
| Achromatopsia (no color) | #696969 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2569BF
#2569BF
oklch(52.5% 0.151 256.3)
- #8E6000
#8E6000
oklch(52.5% 0.11 76.2)
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 #2569BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.020
- French Blue #436BAD ΔE 0.038
- Windows Blue #3778BF ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.054
- Nice Blue #107AB0 ΔE 0.057
- Royal Blue #4169E1 ΔE 0.059
- Muted Blue #3B719F ΔE 0.062
- Ocean Blue #03719C ΔE 0.066
Use #2569BF 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.