#207DC8
Closest named color: Windows Blue (#3778BF). oklch(57.5% 0.142 248.4), rgb(32, 125, 200).
Aa
Black text reads best on this color (4.82:1).
About this color
#207DC8 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.142 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.020 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.82:1 |
| White text | 4.34:1 |
Values
| HEX | #207DC8 |
| RGB | rgb(32, 125, 200) |
| HSL | hsl(207, 72%, 45%) |
| OKLCH | oklch(57.5% 0.142 248.4) |
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 #207DC8 | 4.34:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #207DC8 | 4.82:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #207DC8 text on white | 4.34:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #207DC8 text on black | 4.82:1 | AA | Lc -32.0 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A1C5E9
oklch(81% 0.064 248.6)
-
Step 400
400
#6CA6DE
oklch(70.8% 0.103 248.6)
-
Step 500
500
#408ED4
oklch(63% 0.131 248.5)
-
Step 600
600 (this color)
#207DC8
oklch(57.5% 0.142 248.4)
-
Step 700
700
#0364A7
oklch(49.2% 0.132 248.2)
-
Step 800
800
#0C5287
oklch(42.8% 0.108 248)
-
Step 900
900
#15446C
oklch(37.7% 0.085 248.2)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#207DC8 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) | #5981CB | 0.049 |
| Deuteranopia (no green cones) | #3F72C7 | 0.033 |
| Tritanopia (no blue cones) | #008F99 | 0.102 |
| Achromatopsia (no color) | #797979 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #207DC8
#207DC8
oklch(57.5% 0.142 248.4)
- #A86800
#A86800
oklch(57.4% 0.126 68.3)
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 #207DC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.020
- Water Blue #0E87CC ΔE 0.027
- Nice Blue #107AB0 ΔE 0.039
- Steel Blue #4682B4 ΔE 0.045
- Cool Blue #4984B8 ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.052
- Blue NCS #118AB2 ΔE 0.056
- Mid Blue #276AB3 ΔE 0.057
Use #207DC8 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.