#266BA6
Closest named color: Mid Blue (#276AB3). oklch(51.4% 0.116 248.3), rgb(38, 107, 166).
Aa
White text reads best on this color (5.62:1).
About this color
#266BA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.116 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.022 away. White text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #266BA6 |
| RGB | rgb(38, 107, 166) |
| HSL | hsl(208, 63%, 40%) |
| OKLCH | oklch(51.4% 0.116 248.3) |
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 #266BA6 | 5.62:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #266BA6 | 3.73:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #266BA6 text on white | 5.62:1 | AA | Lc 77.8 | Fine for body text |
| #266BA6 text on black | 3.73:1 | AA large text | Lc -24.0 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A5C4E4
oklch(80.8% 0.056 249.4)
-
Step 400
400
#73A6D6
oklch(70.8% 0.089 247.7)
-
Step 500
500
#4C8ECB
oklch(63% 0.115 248.4)
-
Step 600
600
#2C77B8
oklch(55.5% 0.125 248.5)
-
Step 700
700 (this color)
#266BA6
oklch(51.4% 0.116 248.3)
-
Step 800
800
#1B5281
oklch(42.7% 0.097 248.3)
-
Step 900
900
#1D4467
oklch(37.6% 0.075 248.2)
-
Step 950
950
#12283C
oklch(26.9% 0.047 247.8)
#266BA6 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) | #506EA8 | 0.042 |
| Deuteranopia (no green cones) | #3D62A5 | 0.029 |
| Tritanopia (no blue cones) | #007980 | 0.085 |
| Achromatopsia (no color) | #676767 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #266BA6
#266BA6
oklch(51.4% 0.116 248.3)
- #915900
#915900
oklch(51.5% 0.113 68.2)
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 #266BA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.022
- French Blue #436BAD ΔE 0.028
- Ocean Blue #03719C ΔE 0.029
- Muted Blue #3B719F ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.031
- Peacock Blue #016795 ΔE 0.034
- Nice Blue #107AB0 ΔE 0.042
- Denim #3B638C ΔE 0.044
Use #266BA6 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.