#438BE8
Closest named color: Dark Sky Blue (#448EE4). oklch(63.6% 0.158 256), rgb(67, 139, 232).
Aa
Black text reads best on this color (6.09:1).
About this color
#438BE8 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.158 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.011 away. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #438BE8 |
| RGB | rgb(67, 139, 232) |
| HSL | hsl(214, 78%, 59%) |
| OKLCH | oklch(63.6% 0.158 256) |
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 #438BE8 | 3.44:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #438BE8 | 6.09:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #438BE8 text on white | 3.44:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #438BE8 text on black | 6.09:1 | AA | Lc -40.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A0C3F2
oklch(80.8% 0.077 255.9)
-
Step 400
400
#6BA3EC
oklch(70.7% 0.123 255.5)
-
Step 500
500 (this color)
#438BE8
oklch(63.6% 0.158 256)
-
Step 600
600
#1D71D4
oklch(55.6% 0.171 255.9)
-
Step 700
700
#0E5EB8
oklch(49.1% 0.159 256)
-
Step 800
800
#114D95
oklch(42.6% 0.132 256.2)
-
Step 900
900
#174177
oklch(37.7% 0.103 256.3)
-
Step 950
950
#0F2645
oklch(26.9% 0.065 256.6)
#438BE8 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) | #5F92EC | 0.034 |
| Deuteranopia (no green cones) | #4583E6 | 0.021 |
| Tritanopia (no blue cones) | #00A1AE | 0.124 |
| Achromatopsia (no color) | #8A8A8A | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438BE8
#438BE8
oklch(63.6% 0.158 256)
- #B87E00
#B87E00
oklch(63.6% 0.133 76.5)
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 #438BE8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.011
- Chefchaouen Blue #4895EF ΔE 0.028
- Soft Blue #6488EA ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.044
- Water Blue #0E87CC ΔE 0.054
- Clear Blue #247AFD ΔE 0.063
- Cornflower #6A79F7 ΔE 0.063
Use #438BE8 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.