#007EC8
Closest named color: Windows Blue (#3778BF). oklch(57.4% 0.146 245.4), rgb(0, 126, 200).
Aa
Black text reads best on this color (4.81:1).
About this color
#007EC8 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.146 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.026 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #007EC8 |
| RGB | rgb(0, 126, 200) |
| HSL | hsl(202, 100%, 39%) |
| OKLCH | oklch(57.4% 0.146 245.4) |
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 #007EC8 | 4.35:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #007EC8 | 4.81:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #007EC8 text on white | 4.35:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #007EC8 text on black | 4.81:1 | AA | Lc -32.2 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C6DCF0
oklch(88.4% 0.036 245.7)
-
Step 300
300
#9EC6E9
oklch(81% 0.065 245.1)
-
Step 400
400
#66A7DE
oklch(70.7% 0.105 245.6)
-
Step 500
500
#3590D5
oklch(63.2% 0.134 245.4)
-
Step 600
600 (this color)
#007EC8
oklch(57.4% 0.146 245.4)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#0D456D
oklch(37.8% 0.088 245.6)
-
Step 950
950
#0B2940
oklch(27.2% 0.055 245.2)
#007EC8 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) | #5A81CB | 0.057 |
| Deuteranopia (no green cones) | #3E72C7 | 0.039 |
| Tritanopia (no blue cones) | #009099 | 0.101 |
| Achromatopsia (no color) | #797979 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #007EC8
#007EC8
oklch(57.4% 0.146 245.4)
- #AB6600
#AB6600
oklch(57.4% 0.128 65.4)
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 #007EC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.026
- Water Blue #0E87CC ΔE 0.026
- Nice Blue #107AB0 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.049
- Cool Blue #4984B8 ΔE 0.050
- Blue NCS #118AB2 ΔE 0.055
- Flat Blue #3C73A8 ΔE 0.055
- Mid Blue #276AB3 ΔE 0.058
Use #007EC8 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.