#205AAB
Closest named color: Mid Blue (#276AB3). oklch(47.6% 0.143 257.8), rgb(32, 90, 171).
Aa
White text reads best on this color (6.74:1).
About this color
#205AAB is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.143 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.046 away. White text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #205AAB |
| RGB | rgb(32, 90, 171) |
| HSL | hsl(215, 68%, 40%) |
| OKLCH | oklch(47.6% 0.143 257.8) |
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 #205AAB | 6.74:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #205AAB | 3.11:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #205AAB text on white | 6.74:1 | AA | Lc 82.8 | Fine for body text |
| #205AAB text on black | 3.11:1 | AA large text | Lc -19.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADBF3
oklch(88.6% 0.038 257)
-
Step 300
300
#A5C3EE
oklch(81% 0.069 257.4)
-
Step 400
400
#74A2E5
oklch(70.7% 0.111 257.7)
-
Step 500
500
#4F89DE
oklch(63.1% 0.142 257.9)
-
Step 600
600
#3271CB
oklch(55.5% 0.154 257.8)
-
Step 700
700 (this color)
#205AAB
oklch(47.6% 0.143 257.8)
-
Step 800
800
#204E8E
oklch(42.8% 0.117 257.4)
-
Step 900
900
#1F4172
oklch(37.7% 0.093 257.8)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#205AAB 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) | #2D62AE | 0.026 |
| Deuteranopia (no green cones) | #0256A9 | 0.019 |
| Tritanopia (no blue cones) | #006D7A | 0.109 |
| Achromatopsia (no color) | #5B5B5B | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #205AAB
#205AAB
oklch(47.6% 0.143 257.8)
- #7B5400
#7B5400
oklch(47.6% 0.099 77.7)
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 #205AAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.046
- Dusk Blue #26538D ΔE 0.050
- Dusky Blue #475F94 ΔE 0.056
- Peacock Blue #016795 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.057
- French Blue #436BAD ΔE 0.061
- Cobalt #1E488F ΔE 0.064
Use #205AAB 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.