#4285D1
Closest named color: Water Blue (#0E87CC). oklch(60.9% 0.135 253.3), rgb(66, 133, 209).
Aa
Black text reads best on this color (5.50:1).
About this color
#4285D1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.135 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.028 away. Black text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #4285D1 |
| RGB | rgb(66, 133, 209) |
| HSL | hsl(212, 61%, 54%) |
| OKLCH | oklch(60.9% 0.135 253.3) |
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 #4285D1 | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #4285D1 | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #4285D1 text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #4285D1 text on black | 5.50:1 | AA | Lc -36.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A3C4EB
oklch(81% 0.066 252.8)
-
Step 400
400
#71A4E1
oklch(70.7% 0.105 253.6)
-
Step 500
500 (this color)
#4285D1
oklch(60.9% 0.135 253.3)
-
Step 600
600
#2874C6
oklch(55.5% 0.147 253.5)
-
Step 700
700
#1A61AB
oklch(49.1% 0.136 253.4)
-
Step 800
800
#19508A
oklch(42.8% 0.112 253)
-
Step 900
900
#1B436F
oklch(37.8% 0.088 253)
-
Step 950
950
#112741
oklch(26.9% 0.056 253.9)
#4285D1 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) | #638AD4 | 0.038 |
| Deuteranopia (no green cones) | #4E7CCF | 0.025 |
| Tritanopia (no blue cones) | #0097A1 | 0.105 |
| Achromatopsia (no color) | #838383 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4285D1
#4285D1
oklch(60.9% 0.135 253.3)
- #B17500
#B17500
oklch(61% 0.13 73.5)
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 #4285D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.028
- Dark Sky Blue #448EE4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.038
- Steel Blue #4682B4 ΔE 0.044
- Windows Blue #3778BF ΔE 0.044
- Soft Blue #6488EA ΔE 0.053
- Off Blue #5684AE ΔE 0.055
- Faded Blue #658CBB ΔE 0.055
Use #4285D1 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.