#2668CB
Closest named color: Mid Blue (#276AB3). oklch(53.2% 0.168 258.8), rgb(38, 104, 203).
Aa
White text reads best on this color (5.35:1).
About this color
#2668CB is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.039 away. White text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #2668CB |
| RGB | rgb(38, 104, 203) |
| HSL | hsl(216, 68%, 47%) |
| OKLCH | oklch(53.2% 0.168 258.8) |
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 #2668CB | 5.35:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #2668CB | 3.92:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #2668CB text on white | 5.35:1 | AA | Lc 76.1 | Fine for body text |
| #2668CB text on black | 3.92:1 | AA large text | Lc -25.6 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A3C2F2
oklch(80.8% 0.076 259)
-
Step 400
400
#72A1EB
oklch(70.6% 0.12 259.2)
-
Step 500
500
#4C88E5
oklch(63.1% 0.154 258.9)
-
Step 600
600 (this color)
#2668CB
oklch(53.2% 0.168 258.8)
-
Step 700
700
#205DB7
oklch(49.2% 0.156 258.7)
-
Step 800
800
#1D4C94
oklch(42.7% 0.129 259)
-
Step 900
900
#1D4076
oklch(37.6% 0.101 258.9)
-
Step 950
950
#122645
oklch(27% 0.064 258.9)
#2668CB 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) | #2D73CF | 0.031 |
| Deuteranopia (no green cones) | #0064C9 | 0.020 |
| Tritanopia (no blue cones) | #008090 | 0.128 |
| Achromatopsia (no color) | #6B6B6B | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2668CB
#2668CB
oklch(53.2% 0.168 258.8)
- #8E6300
#8E6300
oklch(53.1% 0.11 78.9)
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 #2668CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.039
- Royal Blue #4169E1 ΔE 0.042
- Windows Blue #3778BF ΔE 0.053
- French Blue #436BAD ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.054
- Warm Blue #4B57DB ΔE 0.056
- Azul #1D5DEC ΔE 0.059
- Neon Blue #4361EE ΔE 0.062
Use #2668CB 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.