#078CEF
Closest named color: Dodger Blue (#1E90FF). oklch(63.1% 0.178 250.2), rgb(7, 140, 239).
Aa
Black text reads best on this color (6.00:1).
About this color
#078CEF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.178 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.027 away. Black text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #078CEF |
| RGB | rgb(7, 140, 239) |
| HSL | hsl(206, 94%, 48%) |
| OKLCH | oklch(63.1% 0.178 250.2) |
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 #078CEF | 3.49:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #078CEF | 6.00:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #078CEF text on white | 3.49:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #078CEF text on black | 6.00:1 | AA | Lc -39.9 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#96C5F7
oklch(80.8% 0.087 250.5)
-
Step 400
400
#56A5F3
oklch(70.6% 0.139 250.2)
-
Step 500
500 (this color)
#078CEF
oklch(63.1% 0.178 250.2)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#022748
oklch(26.8% 0.073 250.2)
#078CEF 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) | #5993F3 | 0.052 |
| Deuteranopia (no green cones) | #3081ED | 0.029 |
| Tritanopia (no blue cones) | #00A4B2 | 0.128 |
| Achromatopsia (no color) | #898989 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #078CEF
#078CEF
oklch(63.1% 0.178 250.2)
- #BD7800
#BD7800
oklch(63.1% 0.137 69.9)
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 #078CEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.042
- Clear Blue #247AFD ΔE 0.052
- Water Blue #0E87CC ΔE 0.053
- Soft Blue #6488EA ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.065
- Cornflower #6A79F7 ΔE 0.078
Use #078CEF 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.