#134EB8
Closest named color: Blue Blue (#2242C7). oklch(45.7% 0.178 261.3), rgb(19, 78, 184).
Aa
White text reads best on this color (7.47:1).
About this color
#134EB8 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.178 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.036 away. White text reads best on it, at 7.47:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #134EB8 |
| RGB | rgb(19, 78, 184) |
| HSL | hsl(219, 81%, 40%) |
| OKLCH | oklch(45.7% 0.178 261.3) |
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 #134EB8 | 7.47:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #134EB8 | 2.80:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #134EB8 text on white | 7.47:1 | AAA | Lc 85.2 | Fine for body text |
| #134EB8 text on black | 2.80:1 | Fails | Lc -16.8 | 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 800.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3E82FF
oklch(63% 0.199 261.3)
-
Step 600
600
#1065F7
oklch(55.6% 0.231 261.2)
-
Step 700
700
#0152D7
oklch(49% 0.215 261.3)
-
Step 800
800 (this color)
#134EB8
oklch(45.7% 0.178 261.3)
-
Step 900
900
#113B89
oklch(37.6% 0.138 261.4)
-
Step 950
950
#0B2450
oklch(27% 0.087 260.8)
#134EB8 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) | #005CBC | 0.035 |
| Deuteranopia (no green cones) | #004EB6 | 0.008 |
| Tritanopia (no blue cones) | #00697B | 0.136 |
| Achromatopsia (no color) | #555555 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134EB8
#134EB8
oklch(45.7% 0.178 261.3)
- #725100
#725100
oklch(45.8% 0.095 81.4)
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 #134EB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.036
- Sapphire #2138AB ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.062
- Cobalt #1E488F ΔE 0.067
- Dusk Blue #26538D ΔE 0.073
- Blueberry #464196 ΔE 0.076
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
- Mid Blue #276AB3 ΔE 0.080
Use #134EB8 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.